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Newest Probability Distribution Questions

1. A major hotel chain keeps a record of the number of mishandled bags per 1 000 customers. In a recent year, the hotel chain had
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2. If X is a Poisson random variable with a mean of 5, find:4.1 P( X=3) 4.2 P( X≤3) 4.3 P( X>3)
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3. ou have been asked to determine the probability that the contribution margin for a particular product line exceeds the fixed
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4. A trainer is teaching a dolphin to do tricks. The probability that the dolphin successfully performs the trick is 8 out of 24
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5. Suppose you are playing a game. The random variable, Y, represents your net profit in dollars. The probability distribution of Y
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6. A random variable X follows the uniform distribution with a lower limit of 730 and an upper limit of 830.a. Calculate the mean
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7. A random variable X follows the continuous uniform distribution with a lower bound of −2 and an upper bound of 12.a. What is
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8. The lifetime (in months) of a battery is modeled by a random variable X that has pdf\displaystyle \displaystyle f_\theta
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9. The lifetime (in months) of a battery is modeled by a random variable X that has pdf\displaystyle \displaystyle f_\theta
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10. A taxi driver has observed that, on any given day, the probability that a customer wears a hat is 41%.a) What is the probability
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    2. asked by K
    3. 168 views
11. The probability that a certain hockey team will win any given game is 0.3786 based on their 13 year win history of 393 wins out
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    2. asked by Anonymous
    3. 354 views
12. High temperatures in a certain city for the month of August follow a uniform distribution over the interval 65°Fto 87°F. What
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    2. asked by swindham
    3. 1,083 views
13. Suppose that X is uniformly distributed on the interval [3,8] , and that given X=x , Y is uniformly distributed on the interval
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    2. asked by Vala
    3. 2,124 views
14. Let X be uniform on [0,1/2] . Find the PDF fY(y) of Y=X/(1−X) .For 0≤y≤1 :
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    2. asked by abhi
    3. 518 views
15. Suppose we are interested in bidding on a piece of land and we know one other bidder is interested. The seller announced that
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    2. asked by kiinz
    3. 833 views
16. According to a survey, 35% of adults are against using animals for research. Assume that this result holds true for the current
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    2. asked by Kishon Tennassee 34986
    3. 572 views
17. The Gamma distribution Gamma(𝛼,𝛽) with paramters 𝛼>0 , and 𝛽>0 is defined by the density𝑓𝛼,𝛽(𝑥)=𝛽𝛼
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    2. asked by ramj
    3. 2,786 views
18. The weights of black bears are normally distributed with a mean of 264 kg and a standard deviation of 38 kg. Let X be the weight
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    2. asked by SHEILA
    3. 836 views
19. 1. Find the indicated probability.In a survey of 300 college graduates, 63% reported that they entered a profession closely
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    2. asked by Snotunicorn
    3. 2,275 views
20. Supposed that voting in municipal elections is being studied and four people are randomly selected. The accompanying, table
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    2. asked by Chloe
    3. 1,643 views
21. . Suppose in an event of fire, the probability is 95% that fire alarm will ring in a building. Let x denote the number of fire
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    2. asked by Zeet Ashrabi
    3. 629 views
22. A drawer contains 8 brown socks and 4 blue socks. A sock is taken from the drawer at random, its colour is noted and it is then
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    2. asked by I Need Help ASAP
    3. 2,675 views
23. Suppose x is the waiting time at a bank, which is a random variable that is uniformly disturbed on values between 0 and 20
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    2. asked by Joshia Norman
    3. 521 views
24. A box contains 4 red and 5 blue marbles. Michele picks three marbles at random from this box. If Z is a random variable
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    2. asked by Joanna
    3. 1,247 views
25. A manufacturer of cotter pin know that 5% of his product is defective. If he sells cotter pins in boxes of 100 pins find the
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    2. asked by Larissa
    3. 1,323 views
26. Suppose that the probability that an item produced by a certain machine will be defective is 0.2. A sample of 12 items is
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    2. asked by Hayley
    3. 1,340 views
27. A box contains two red balls, four green balls, and two white balls. You extract balls from the box with replacement 100 times.
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    2. asked by Timmy
    3. 661 views
28. A candidate for public office has claimed that 60% of voters will vote for her. If 5 registered voters were sampled,1. What is
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    2. asked by rania
    3. 1,098 views
29. An assembly consists of three mechanical components. Suppose that the probabilities that the first, second, and third components
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    2. asked by Maureen
    3. 6,655 views
30. buses arrive at a bus stop at 15minute interval,starting from7am if a passenger arrived at a times that is his uniformly
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    2. asked by dam
    3. 679 views
31. A radioactive source of material emits a radioactive particle with probability 1/100in each second. Let X be the number of
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    2. asked by hassan
    3. 593 views
32. Weights of women are normally distributed with mean 143 pounds and standard deviation 29 pounds. If 36 women are randomly
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    2. asked by anon
    3. 1,167 views
33. A fireworks show is designed so that the time between fireworks is between one and five seconds, and follows a uniformdistributi
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    2. asked by Nandini
    3. 829 views
34. A company finds that one out of five employees will be late to work on a given day. If this company has 42 employees, find the
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    2. asked by Sarah Duensing
    3. 776 views
35. Assume it is known that the probability of birth is equal in all months. What is the probability that in the STAT 1025 class of
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    2. asked by abcd
    3. 572 views
36. The mean grade in this class last semester was 78.3, and the variance was 49 . The distribution of grades was unimodal and
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    2. asked by Francisco
    3. 1,387 views
37. Need help please on these questions:1. A poll at Steve's high school was taken to see if students are in favor of spending class
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    2. asked by Josh
    3. 744 views
38. The weekly amount of gas sold at a self serve gas station has a uniform distribution on the interval 5000 to 15,000 gallons. If
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    2. asked by Jackie
    3. 548 views
39. If 3% of electric bulb produced by a company are defective find the probability that in a sample 100bulbs(a) 0 (b)1 (c)2 (d)3
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    2. asked by Collins
    3. 1,736 views
40. Births are approximately uniformly distributed between the 52 weeks of the year. They can be said to follow a uniform
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    2. asked by BORNIUCS
    3. 1,921 views
41. If a power failures occur according to a poisson distribution with an average of 3 failures every twenty weeks,calculate the
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    2. asked by gourav
    3. 532 views
42. Exponential distribution was used to model the lengths of CD-ROM drives in a two drive system. The two CD-ROM drives operate
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    2. asked by ehsan
    3. 545 views
43. Approximately 6% of the male population is color blind. If a random sample of 250 male adults is tested for color blindness,
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    2. asked by Dmitivch
    3. 798 views
44. Did you ever buy an incandescent light bulb that failed (either burned out or did not work) the first time you turned the switch
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    2. asked by Jenny
    3. 593 views
45. Suppose that in a large population the proportion of people that have a certain diseaseis 0.01. Use the Poisson approximation to
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    2. asked by andrea
    3. 744 views
46. An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the
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    2. asked by sam
    3. 646 views
47. An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the
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    2. asked by URMILA
    3. 618 views
48. An average of 1.4 private airplanes arrive per hour at an airport.Let x denote the number of private airplanes that will arrive
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    2. asked by maggie
    3. 1,053 views
49. So I tried solving the first one and apparently failed miserably, attempted both twice and got it wrong each time and I have one
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    2. asked by Randy
    3. 670 views
50. A single dot is placed on a very long length of yarn at the textile mill. The yarn is then cut into pieces. The lengths of the
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    2. asked by A
    3. 964 views
51. Suppose that you have two laptops, both of which you begin using at time 0. Each laptop will eventually fail, and we model each
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    2. asked by JuanPro
    3. 893 views
52. experience shows that a ski lodge will be full(181 guests) if there is a heavy snowfall in december, white only partially full
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    2. asked by katie cicione
    3. 811 views
53. A defective coin minting machine produces coins whose probability of Heads is a random variable Q with PDFfQ(q)={3q2,0,if
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    2. asked by A
    3. 8,690 views
54. The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is
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    2. asked by Tikima
    3. 753 views
55. The life of automobile voltage regulators has an exponential distribution with a mean life of six years. You purchase an
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    2. asked by ash
    3. 1,555 views
56. The time required to complete a project is known to be normally distributed with a mean of 44 weeks and a standard deviation of
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    2. asked by Anonymous
    3. 1,815 views
57. A manufacturing facility produces iron rods whose mean diameter is 2.5 inches with a standard deviation of 0.2 inch. If a sample
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    2. asked by Steven
    3. 661 views
58. A company sells cans of chicken soup that that are advertised to contain 20 oz. However due to variations in the manufacturing
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    2. asked by Steven
    3. 726 views
59. Assume 10% of the engines manufactured on an assembly line are defective. If engines are randomly selected one at a time and
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    2. asked by Katy
    3. 736 views
60. A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a
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    2. asked by DeeDee7
    3. 542 views
61. The number of ships to arrive at a harbor on any given day is a random variable represented by x. The probability distribution
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    2. asked by Gayle
    3. 4,007 views
62. You are driving a car and the speed is an exponentialy distributed random variablewith mean 50 (in miles per hour). The speed
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    2. asked by hsuan
    3. 1,097 views
63. According to an airline, a particular flight is on time 75% of the time. Suppose 140 flights are randomly selected and the
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    2. asked by MELISSA
    3. 793 views
64. As reported in Runner's World magazine, the times of the finishers in the new york 10 km run are normally distrubted with a mean
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    2. asked by Anonymous
    3. 1,871 views
65. Bottles of a popular cola contain a mean amount of 300 mL of cola. There is some variation from bottle to bottle because the
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    2. asked by Maria Elizabeth
    3. 609 views
66. Supplier on-time delivery performance is critical to enabling the buyer’s organization to meet its customer service
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    2. asked by Priya
    3. 1,831 views
67. How many green elements are required to make this a legitimate probability distribution if there are a total of 50 elements in
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    2. asked by Anonymous
    3. 373 views
68. The time you wait in a bank until you are served by a teller is exponentially distributed with mean 10 minutes. Calculate the
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    2. asked by Teniche
    3. 604 views
69. Exponential distribution was used to model the lengths of CD-ROM drives in a two drive system. The two CD-ROM drives operate
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    2. asked by Danielle
    3. 567 views
70. Let x be the number of courses for which a randomly selected student at a certain university is registered. The probability
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    2. asked by monea
    3. 3,782 views
71. Problem 2.THE PROBABILITY THAT A RANDOMLY CHOSEN SALES PROSPECT WILL MAKE A PURCHASE IS 0.20. IF A SALESMAN CALLS ON SIX
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    2. asked by siddhi
    3. 2,575 views
72. In a carnival game, the player selects two coins from a bag containing four silver dollars and twelve slugs.(a) Write down the
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    2. asked by Amanda
    3. 1,381 views
73. The distribution of cash withdrawals from the automatic teller machine at acertain bank has a mean of $500 with a standard
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    2. asked by Nancy
    3. 503 views
74. Six marbles are chosen without replacement from a box containing 10 red, 8 blue, and 3 yellow marbles. Let X be the number of
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    2. asked by Anne
    3. 426 views
75. Nine apples, four of which are rotten, are in a refrigerator. Three apples are randomly selected without replacement. Let the
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    2. asked by Rose Bud
    3. 1,452 views
76. Suppose that 8% of a certain batch of calculators have a defective case, 11% havedefective batteries, and 3% have both of these
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    2. asked by Anonymous
    3. 2,045 views
77. Seven thousand raffle tickets are to be sold at $10 each to benefit a local community group. The prizes, the number of each
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    2. asked by Krista
    3. 1,051 views
78. Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random
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    2. asked by k
    3. 942 views
79. suppose you have 10 green marbles, 10 gold marbles, and ten black marbles. You also have 3 bags. Your plan is to ask a friend to
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    2. asked by Ann-Marie Guischer
    3. 552 views
80. Question2: When parking a car in a downtown parking lot, drivers pay according to the number of hours or fraction thereof. The
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    2. asked by s.Alhosani
    3. 1,084 views
81. A life insurance salesman sells on the average 3 life insurance policies per week. What type of this distribution is? (2 marks)L
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    2. asked by sara
    3. 791 views
82. The life (in hours) of a computer processing unit (CPU) is modeled as a weibull random variable with β=3 and α=901 hours. What
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    2. asked by eliseo
    3. 1,277 views
83. The Ace AirLines has a policy of overbooking flights. The random variable x represents the number of passengers who cannot be
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    2. asked by dee
    3. 577 views
84. Construct the probability distribution for the value of a 2-card hand dealt from a standard deck of 52 cards (all face cards
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    2. asked by Carlos
    3. 654 views
85. More than 200 billion grocery coupons are distributed each year for discounts exceeding $84 billion. However, according to a
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    2. asked by Joy
    3. 923 views
86. The probability that a person has an unlisted telephone number is 0.15. The district manager ofa political action group is
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    2. asked by Joy
    3. 615 views
87. A loaded coin is tossed 5 times, find the probability distribution for the number of heads, if heads are thrice likely to occur
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    2. asked by Sapphire
    3. 561 views
88. The closing price for XYZ Company's common stock is uniformly distributed between $10 and $20 per share.What is the probability
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    2. asked by Bill
    3. 948 views
89. Construct the probability distribution for the value of a 2-card hand dealt from a standard deck of 52 cards (all face cards
    1. 2 answers
    2. asked by Starr
    3. 1,969 views
90. Among 17 metal parts produced in a machine shop, 6 are defective. If a random sample of four of these metal parts is selected,
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    2. asked by Kate
    3. 1,093 views
91. A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given
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    2. asked by Mich Mich
    3. 1,721 views
92. A computer supply house receives a large shipment of blank CDs each week. Past experience has shown that the number of flaws per
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    2. asked by Adam
    3. 675 views
93. A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently
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    2. asked by Jon
    3. 1,043 views
94. Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let Xrepresent the number of successful
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    2. asked by Adam
    3. 945 views
95. Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let Xrepresent the number of successful
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    2. asked by Adam
    3. 904 views
96. A telephone company receives 3 calls every minute on an average.If an operator has a watch that is not very accurate and which
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    2. asked by Georgina Hughes
    3. 545 views
97. a normal distribution has a mean of 22 and a standard deviation of 3. Find the probablility that a randomly selected x-value is
    1. 2 answers
    2. asked by alysha
    3. 629 views
98. At an outpatient mental health clinic, appointment cancellations occur at a mean rate of 1.60 per day on a typical Wednesday.
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    2. asked by Helen
    3. 1,051 views
99. The average age of chemical engineers is 37 years with a standard deviation of 4 years. If an engineering firm employs 25
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    2. asked by Anonymous
    3. 2,561 views
100. For a fair coin tossed three times, the eight possible simple events are HHH, HHT, HTH, THH, HTT, THT, TTH, TTT. Let X = number
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     2. asked by Anonymous
     3. 2,567 views