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Newest Conditional probability Questions

1. The table shows differences in political​ ideology, by​ education, for a random sample of voters. Find the probability that
   1. 1 answer
   2. 144 views
2. A survey participant is randomly selected. Let F be the event that the participant’s first motor vehicle had four cylinders
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   2. 72 views
3. Calculate P (A and B) in the following scenarios: c. P(A)= 0.71, P (B) =0.65, P (B/A)=0.77
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   2. 85 views
4. Calculate P(A and B) in the following scenarios: a. P(A)= 0.58, P(B)= 0.74, P(B/A)=0.08
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   2. 79 views
5. In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven
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   2. asked by alice
   3. 98 views
6. Suppose for a class activity we have students who get blue, yellow and white pages of paper. Some of the papers have a smiley
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   2. 94 views
7. An oil exploration company currently has two projects. The company estimates that there is a 40% probability that project A is
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   2. 108 views
8. On my commute to work, I pass through two intersections with traffic lights. Based on a large amount of empirical data, I
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   2. 149 views
9. Consider the following probabilities: P(Ac) = 0.57, P(B) = 0.36, and P(A ∩ Bc) = 0.03.a. Find P(A | Bc). (Do not round
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   2. 153 views
10. 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 Ramya
    3. 167 views
11. Suppose that X is uniformly distributed on the interval [3,8], and that given X=x, Y is uniformly distributed on the interval
    1. 7 answers
    2. 349 views
12. A group of n professionals sit at a table at a conference. Before the presentation begins, they all put their cellular phones
    1. 3 answers
    2. 284 views
13. Marie distributes toys for toddlers. She makes visits to households and gives away one toy only on visits for which the door is
    1. 3 answers
    2. asked by Ramya
    3. 128 views
14. A defective coin minting machine produces coins whose probability of Heads is a random variable [mathjaxinline]Q[/mathjaxinline]
    1. 1 answer
    2. 161 views
15. A couple has three children. Assuming independence and that the probability of a boy is 1/2, determine the probability that at
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    2. 170 views
16. Suppose the probability that it rains in the next two days is one-third for tomorrow and start fraction 1 over 6 end fraction
    1. 1 answer
    2. asked by mon
    3. 208 views
17. Each person in a group of students was identified by year and asked when he or she preferred taking classes: in the morning,
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    2. asked by .
    3. 271 views
18. suppose the probability that it rains in the next two days, please 1/3 for tomorrow and one six for the day after tomorrow what
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    2. asked by sophia
    3. 254 views
19. A computer company hired interns from a group of 234 applicants. The table shows the numbers of applicants who were or were not
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    2. asked by kenZZZ
    3. 295 views
20. A computer company hired interns from a group of 234 applicants. The table shows the number of applicants who were or were not
    1. 4 answers
    2. asked by Red
    3. 310 views
21. FeatureRelative Frequency and Probability A hen laid exactly 6 eggs each week for 3 weeks of a 12 week period. The same hen also
    1. 1 answer
    2. asked by One marble is randomly selected from the bag. In t
    3. 156 views
22. In an epidemic, the probability of having S|D is 0.2 and P(D) = 0.1. P(S|D') = 0.04 and P (D') = 0.01. What is the P(D|S)?
    1. 1 answer
    2. asked by Rondezy
    3. 159 views
23. The manager at Mugg & Bean has been recording the behaviour of their customers with regards to coffee and muffins. The manager
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    2. asked by Khanyisile Maxhalanga
    3. 290 views
24. In a group of 26 students, 4 study both Art and Biology.5 study Biology but not Art. 5 study neither subject. Given that a
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    2. asked by hele
    3. 198 views
25. Amy immigrated to a new city, and would like to make friends with her new neighbours.On any particular day i, she feels shy with
    1. 13 answers
    2. asked by Mona
    3. 3,933 views
26. 60 paintings. T= Painting from 20th century. B= British painting. A painting is chosen random.it is from the 20 century. Work
    1. 1 answer
    2. asked by <3
    3. 838 views
27. there are two urns containing colored balls . The urn A contains 5 red balls and 5 green . The urn B contains 3 red balls and 7
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    2. asked by Lucy
    3. 371 views
28. In a college, 4% of the men and 1% of the women are taller than 6 feet. Further more,60% of the students are women. Now if a
    1. 3 answers
    2. asked by Zakir ullah
    3. 428 views
29. Consider the same stick-breaking problem as in the previous clip, and let l=1. Recall that fX,Y(x,y)=1/x when 0<=y<=x<=1.a)
    1. 2 answers
    2. asked by maria
    3. 1,600 views
30. Last year, when the first Covid-19 tests were being used, there were a few issues with accuracy. In April of 2020, 99% of the
    1. 1 answer
    2. asked by Ariana
    3. 289 views
31. Abia is one of three servers who work at a restaurant that is open from Tuesday to Sunday. Every week the servers randomly draw
    1. 1 answer
    2. asked by Homeworktaker
    3. 916 views
32. Helpppp pls!!!!The probability of Heads of a coin is y, and this bias y is itself the realization of a random variable Y which
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    2. asked by VALA
    3. 2,379 views
33. The probability of Heads of a coin is y, and this bias y is itself the realization of a random variable Y which is uniformly
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    2. asked by Ann
    3. 2,664 views
34. A group of n professionals sit at a table at a conference. Before the presentation begins, they all put their cellular phones
    1. 4 answers
    2. asked by Tram
    3. 3,099 views
35. Ann wants to buy a coffee machine. She knows, that during the holidays, the probability of a discount of more than 10% is 0.87,
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    2. asked by URGENT PLS HELP
    3. 538 views
36. You ask a neighbor to water a sickly plant while you are on vacation. Without water the plant will die with probability 0.8.
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    2. asked by james
    3. 463 views
37. A smartphone company receives shipments of smartphones from three factories, labelled, 1, 2 and 3. Twenty-five percent of
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    2. asked by Katy
    3. 1,254 views
38. The probability is 0.35 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In ten
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    2. asked by k
    3. 1,525 views
39. Suppose there are two full bowls of cookies. Bowl #1 has 10 chocolate chip and 40 oatmeal, while bowl #2 has 30 chocolate chip
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    2. asked by James King
    3. 698 views
40. Let A and B be two events in a sample space S such that P(A) = .6 and p(B l A) =.5. Find P (A∩B).Well, I know that that should
    1. 3 answers
    2. asked by desperatestudent
    3. 601 views
41. the television show Law & Disorder has been successful for many years. That show recently had a share of 20, which means, that
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    2. asked by Kristy
    3. 538 views
42. Problem 1. Marie gives away children toysMarie distributes toys for toddlers. She makes visits to households and gives away one
    1. 2 answers
    2. asked by Diane Lin
    3. 2,376 views
43. Alice has two coins. The probability of Heads for the first coin is 1/4, and the probability of Heads for the second is 3/4.
    1. 3 answers
    2. asked by Anonymous
    3. 300,399 views
44. A defective coin minting machine produces coins whose probability of Heads is a random variable Q with PDFfQ(q)={5q4,0,if
    1. 1 answer
    2. asked by Anonymous
    3. 3,022 views
45. Alice has two coins. The probability of Heads for the first coin is 1/4, and the probability of Heads for the second is 3/4.
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    2. asked by Adam
    3. 1,173 views
46. Consider an experiment in which a fair four-sided die (with faces labeled 0 , 1 , 2 , 3 ) is rolled once to determine how many
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    2. asked by Kina
    3. 1,955 views
47. Bob goes to a party, wearing a hat that fits him well. At the end of the party, Bob picks up a hat, without looking at it. He
    1. 6 answers
    2. asked by Anonymous
    3. 1,024 views
48. Marie distributes toys for toddlers. She makes visits to households and gives away one toy only on visits for which the door is
    1. 0 answers
    2. asked by Jia
    3. 1,152 views
49. A biased coin lands heads with probabilty 2/3. The coin is tossed 3 timesa) Given that there was at least one head in the three
    1. 5 answers
    2. asked by Steve
    3. 3,819 views
50. A bag contains 8 blue coins and 6 red coins. A coin is removed at random and replaced by three of the other color.a. What is the
    1. 11 answers
    2. asked by Patrick
    3. 893 views
51. If Group A has 1/100 items defective, and Group B has 1/200 items defective.What is the probability the second item inspected
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    2. asked by Lola
    3. 493 views
52. . According to the U.S. Census Bureau, the probability that a randomly selected head of household in the United States earns
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    2. asked by Keonn'a
    3. 660 views
53. In the state of Campana, during the Fall season, it rains 75% of the time and it is sunny 25% of the time (these figures are
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    2. asked by Linda
    3. 578 views
54. In a company, the men who do not wear glasses are thrice as many as the men who do, while the women who do not wear glasses are
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    2. asked by bryan
    3. 566 views
55. Box A contains six white marbles and five black marbles. Box B contains three white marbles and four black marbles. An
    1. 2 answers
    2. asked by Anonymous
    3. 1,500 views
56. In a past presidential election, it was estimated that the probability that the Republican candidate would be elected was 1/3,
    1. 4 answers
    2. asked by Rahat
    3. 922 views
57. Urn A contains four white balls and seven black balls. Urn B contains six white balls and three black balls. A ball is drawn
    1. 1 answer
    2. asked by Rahat
    3. 2,720 views
58. Jar A contains 8 red balls and 2 green balls. Jar B contains 6 red balls and 3 green balls. You randomly select one ball from
    1. 2 answers
    2. asked by Laiali
    3. 1,504 views
59. A certain university has 7 vehicles available for use by faculty and staff. Five of these are vans and 2 are cars. On a
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    2. asked by Brady
    3. 813 views
60. A certain virus infects one in every 500 people. A test used to detect the virus in a person is positive 90% of the time if the
    1. 1 answer
    2. asked by Cathy Wilson
    3. 742 views
61. A certain virus infects one in every 200 people. A test used to detect the virus in a person is positive 90% of the time if the
    1. 3 answers
    2. asked by Anonymous
    3. 3,284 views
62. A poll was taken of 10,439 working adults aged 40-70 to determine their level of education. The participants were classified by
    1. 0 answers
    2. asked by Devin
    3. 547 views
63. A certain virus infects one in every 400 people. A test used to detect the virus in a person is positive 90% of the time if the
    1. 3 answers
    2. asked by Devin
    3. 8,584 views
64. A certain virus infects one in every 600 people. A test used to detect the virus in a person is positive 90% of the time if the
    1. 1 answer
    2. asked by Conditional
    3. 1,290 views
65. According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore,16%
    1. 1 answer
    2. asked by Myda
    3. 1,031 views
66. Myrza has three childrena.If his oldest child is a girl, what is the probability that all the children are girls ? b.Given at
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    2. asked by saif
    3. 829 views
67. A certain virus infects one in every 300 people. A test used to detect the virus in a person is positive 80% of the time if the
    1. 2 answers
    2. asked by Crooklyn
    3. 1,376 views
68. A certain virus infects one in every 300 people. A test used to detect the virus in a person is positive 80% of the time if the
    1. 1 answer
    2. asked by Anonymous
    3. 2,111 views
69. Question: The New York State Health Department reports a 10% rate of the HIV virus for the “at-risk” population. Under
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    2. asked by Lynn
    3. 1,267 views
70. Al Cascade ,president of the litre coporation is studying hiscompany's chances of being awarded an important water
    1. 1 answer
    2. asked by othman
    3. 642 views
71. Five workers are supposed to paste expiration date on each can.A,who paste 30% of the cans,fail to paste the expiration date
    1. 2 answers
    2. asked by koro
    3. 773 views
72. 500bottles contains 10 bottles that are defective.3bottles are selected,random,without replacement.a)what is the probability
    1. 1 answer
    2. asked by koro
    3. 575 views
73. During a study of auto accident,the highway safety council found that 60%of all accident occur at night,52%are
    1. 1 answer
    2. asked by ankit
    3. 1,123 views
74. The probability that Samantha will be accepted by the college of her choice and obtain a scholarship is 0.35. If the probability
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    2. asked by Maria M.
    3. 3,927 views
75. HELP PLEASE!!!Subject uses drug 44 (True Positive), 6(False Negative) Subject is not a drug user 90(False Positive), 860(True
    1. 0 answers
    2. asked by calvin
    3. 770 views
76. Suppose a baseball pitcher throws fastballs 80 % of the time and curveballs 20 % of the time. Suppose a batter hits a home run
    1. 1 answer
    2. asked by Nicole
    3. 923 views
77. A patient gets tested for a disease. The test is 90% reliable (that is P(testing positive│have disease)=.9 . 2% of the
    1. 0 answers
    2. asked by juan
    3. 566 views
78. A certain system can experience three different types of defects. Let Ai (i = 1,2,3) denote the event that the system has a
    1. 1 answer
    2. asked by McKinsley
    3. 1,493 views
79. 1) The probability of getting a certain disease is 0.2. A certain test is available which returns a positive result 90% of the
    1. 3 answers
    2. asked by Need Help Urgent
    3. 1,607 views
80. "Records show that 8% of all college students are foreign students who also smoke. It is also known that 50% of all foreign
    1. 1 answer
    2. asked by kate
    3. 3,048 views
81. Box A contains 3 white marbles and 4 black marbles. Box B contains 6 white marbles and 5 black marbles. An experiment consists
    1. 1 answer
    2. asked by Katie
    3. 3,125 views
82. A card is drawn from a standard deck. What is the probability that the card is less than 7, given that the card is not a face
    1. 1 answer
    2. asked by Emily
    3. 1,099 views
83. In a toy manufacturing company three machines A,B and C are employed to manufactures toys. Machines A, B and C manufacture 20%,
    1. 2 answers
    2. asked by Question
    3. 1,277 views
84. Urn A contains four white balls and five black balls. Urn B contains seven white balls and six black balls. A ball is drawn from
    1. 0 answers
    2. asked by haley
    3. 480 views
85. Urn A contains six white balls and three black balls. Urn B contains seven white balls and five black balls. A ball is drawn
    1. 1 answer
    2. asked by Annely
    3. 452 views
86. The probability that a washing machine will operate satisfactorily for 3 years is 0.82 while the probability that a floor
    1. 0 answers
    2. asked by Jen
    3. 516 views
87. Abia is one of three servers who work at a restaurant that is open from tuesday to sunday.Every week the servers randomly draw
    1. 1 answer
    2. asked by Polly
    3. 1,907 views
88. You and your friend just rented a car for an 8,000 mile cross-country road trip. Your rental carmay be one of three different
    1. 0 answers
    2. asked by matt
    3. 564 views
89. I would really appreciate if someone could help me out.A test for a certain drug produces a false negative 5% of the time and
    1. 2 answers
    2. asked by Bridget R.
    3. 552 views
90. A test for a certain drug produces a false negative 5% of the time and a false positive 8% of the time. Suppose 12% of the
    1. 0 answers
    2. asked by Stephanie
    3. 711 views
91. 5. Consider the probabilities in problem 4. The probability that a randomly selected singlebook purchase will not be for a work
    1. 5 answers
    2. asked by meri
    3. 932 views
92. In a city, every day is either cloudy or sunny (not both). If it's sunny on any given day, then the probability that the next
    1. 0 answers
    2. asked by Anonymous
    3. 831 views
93. 13 Define F as failed in the diagnostic test that P(F)=0.08 and A as failed in the real test. Given a student was failed in the
    1. 0 answers
    2. asked by Peace
    3. 616 views
94. Suppose a random family of four is selected (two parents and two children). Suppose further that you are told one of the two
    1. 0 answers
    2. asked by Gary
    3. 655 views
95. Suppose that 3%of all adults suffer from diabetes and that 29% of all adults are obese. Suppose also that 2% of all adults both
    1. 1 answer
    2. asked by Anonymous
    3. 1,345 views
96. Suppose that the reliability of a HIV test is specified as follows:Of people having HIV, 90% of the test detect the disease but
    1. 0 answers
    2. asked by Sam
    3. 1,015 views
97. A box contains n balls of which 2 are red and the rest are green. Two balls are to be selected at random one after the other
    1. 1 answer
    2. asked by imoro
    3. 676 views
98. The water supply in a town depends entirely on two pumps. A and B. The probability of pump A filling is 0.1 and the probability
    1. 1 answer
    2. asked by kudu
    3. 1,316 views
99. Factories A, B and C produce computers. Factory A produces 3 times as many computers as factory C, and factory B produces 6
    1. 0 answers
    2. asked by cindy
    3. 961 views
100. The newest invention of the 6.041x staff is a three-sided die. On any roll of this die, the result is 1 with probability 1/2, 2
     1. 3 answers
     2. asked by qwerty
     3. 8,041 views