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Newest Conditional probability Questions

1. Let A and B be events with P(A)= 0.7, P(B)= 0.2, and P(A and B)= 0.15.Are A and B independent? Explain. Compute P( A or B). Are
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   2. 149 views
2. A wilderness retail store asked a consulting company to do an analysis of their hiking shoe customers. The consulting company
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   2. 158 views
3. question:%20Find%20the%20probability%20of%20randomly%20selecting%20a%0A%22second%20grader%20that%20thinks%20sharks%20are%20scary
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   2. 74 views
4. Use the table to answer the question. Number of Cube Rolls Coin Flips Cube Rolls=1 Cube Rolls=2 Cube Rolls=3 Cube Rolls=4 Cube
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5. Use the table to answer the question. Bowling Dancing Movies Total 20–25 Years Old 15 13 12 40 26–30 Years Old 12 10 8 30
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6. Based on the observed frequency what is the probability that Jorelle will pick a letter R
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7. In a popular online role playing game, players can create detailed designs for their character's "costumes," or appearance.
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8. Students in the 7th and 8th grade at Imawinner Middle School are going on a field trip to the planetarium. If a student actively
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9. Each person in a group of students was identified by year and asked when he or she preferred taking classes: in themorning,
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10. A fruit company guarantees that 89​% of the pineapples it ships will ripen within four days of delivery. Find the probability
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    2. 69 views
11. 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. 65 views
12. The table shows the number of skirts of different colors in a closet. A fair coin is shown below the table.Color of Skirt Number
    1. 1 answer
    2. asked by sui
    3. 88 views
13. An airline has 81% of its flights depart on schedule. It has 69% of its flights depart and arrive on schedule. Find the
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    2. 97 views
14. 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. 115 views
15. Bowls A and B contain a number of white and red balls. Clark repeatedly selected a ball from both bowls and recorded the results
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    2. 63 views
16. Each person in a group of students was identified by year and asked when he or she preferred taking classes: in the morning,
    1. 1 answer
    2. asked by bot
    3. 148 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 bot
    3. 120 views
18. In a factory machines A, B, C manufacture 25%, 35% and 40% of the total their output and 6%, 3%, and 2% are defective. A bolt is
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    2. asked by Rajesh
    3. 77 views
19. A class of 40 students has 11 honor students and 10 athletes. Three of the honor students are also athletes. One student is
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    2. 57 views
20. Two cards are drawn without replacement from a standard deck of 52playing cards. What is the probability of choosing a king for
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    2. 94 views
21. Use the survey results to find the probability that a respondent has a pet, given that the respondent has had a pet.36% have a
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    2. asked by LostCoward
    3. 103 views
22. Be sure you are writing out your steps. You will have to submit your shown work for each problem at the end Riley was a
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    2. 50 views
23. Be sure you are writing out your steps. You will have to submit your shown work for each problem at the end Riley was a
    1. 1 answer
    2. 75 views
24. A neon sign at the local grocery store flashes red, blue and green.The sign changed colors 55 times in one day. Of those 55
    1. 1 answer
    2. asked by I <3 MY EXXX
    3. 111 views
25. What is conditional probability?(1 point)Responses a set of all possible outcomes from a given experiment a set of all possible
    1. 1 answer
    2. asked by the
    3. 101 views
26. Newlyweds Katherine and Matthias plan to have two children. Assuming it is equally likely to be a boy or a girl, use the tree
    1. 1 answer
    2. asked by the
    3. 282 views
27. At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.06 and the probability that the flight
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    2. 97 views
28. The balls are all the same size and texture. You are required to select two balls.If both of the balls that you select are
    1. 1 answer
    2. asked by killua
    3. 58 views
29. 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. 91 views
30. problem at the end Riley was a spectator at his town's air guitar competition. Contestants were allowed to play either the
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    2. 89 views
31. 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. 77 views
32. Riley was a spectator at his town's air guitar competition. Contestants were allowed to play eitherthe acoustic or electric air
    1. 1 answer
    2. asked by J
    3. 100 views
33. Be sure you are writing out your steps. You will have to submit your shown work for each problem at the endRiley was a spectator
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    2. 70 views
34. Be sure you are writing out your steps. You will have to submit your shown work for each problem at the endCurious about
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    2. 75 views
35. Be sure you are writing out your steps. You will have to submit your shown work for each problem at the endRiley was a spectator
    1. 1 answer
    2. 67 views
36. Be sure you are writing out your steps. You will have to submit your shown work for each problem at the endCurious about
    1. 1 answer
    2. 87 views
37. Let A and B be events with P(A) = 0.375; P(B) = 0.5, and p(A and B)=0,25 calculate p(Ɓ)0.625 0.5 0.25 0.75
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    2. 66 views
38. Let A and B be events with P (A) = 0.375; P (B) = 0.5, and. Calculate0.125 0.25 0.375 0.75
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    2. 57 views
39. Given that P(A) = 0.7, P(B) = 0.6 and P(A and B) = 0.35 Remember:Determine: P(A’ and B) P(A | B’) P(A’ or B’) Is A and B
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    2. 72 views
40. In a certain town, 40% of the men have brown hair, 25% have brown eyes, and 15% have both brown hair and brown eyes. A man is
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    2. 115 views
41. The probability that a city bus is ready for service when needed is 84%. The probability that a city bus is ready for service
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    2. asked by Katana Wirehouse
    3. 75 views
42. A community college offered 3 music classes last semester. A total of 63 students enrolled in one or more of the classes. The
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    2. asked by .
    3. 179 views
43. A refreshment stand sells popcorn and soft drinks. Of the 100 students who came to the movie, 62 bought popcorn and 47 bought a
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    2. 110 views
44. At Kennedy High School, the probability of a student playing in the band is 0.15. The probability of a student playing in the
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    2. 133 views
45. a pizza restaurant has a toddler play area with a ball pit. The ball pit has 1000 red balls, 500 green balls, and 100 yellow
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    2. asked by .
    3. 90 views
46. A bag contains 3 red and 7 black balls.Two balls are drawn at random without replacement .if the second ball is red what is the
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    2. asked by Disna
    3. 115 views
47. What is the probability that a student will take chemistry, given that they are female (use the table above)?
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    2. 56 views
48. A group of men and women are asked if they prefer summer or winter. The resulting two-way frequency table is shown below.Categor
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    2. 103 views
49. Determine whether the following individual events are independent or dependent. Then find the probability of the combined event.
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    2. 92 views
50. A box has these letters inside it: B N T P N N T P B B N T. Which answer shows how to find the probability of drawing two Ns if
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    2. asked by MM
    3. 248 views
51. The probability of selecting a white jellybean from a package on the first try is 0.38.P (selecting white on try 2 ~ selecting
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    2. 61 views
52. Can conditional probabilities be taken for disjoint events?
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    2. 90 views
53. In a random sample of bags of candy, it was found that 47% of pieces contained chocolate. It was also found that of those pieces
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    2. 108 views
54. If P(C) = 0.2, P(D) = 0.3, and P(C | D) = 0.4 find P(C and D).
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    2. 97 views
55. 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. 145 views
56. In a particular hospital, 60% of the staff is male and 40% female. In a random sample of 50 staff members, what is the
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    2. 156 views
57. 4. A and B are independent with P(A U B) =5/8 and P(A and B') = 7/ 24 Calculate (a) P(B) (b) P(A and B) (c) P(A). ​
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    2. 78 views
58. For all problems on this page, suppose you have dataX_1,\ldots ,X_ n \overset {\text {i.i.d.}}{\sim } \mathcal{N}(0,1) that is a
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    2. 239 views
59. In one town, 70% of adults have health insurance. What is the probability that 6 adults selected at random from the town all
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    2. 175 views
60. Each of two urns contains green balls and red balls. Urn one contains 10 green balls and 8 red balls. Urn two contains 3 green
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    2. asked by ok
    3. 189 views
61. A computer company hired interns from a group of 234 applicants. The table shows the numbers of applicants who were or were not
    1. 7 answers
    2. asked by llc
    3. 267 views
62. The principal uses a computer to randomly select the name of a student from all the students in the school. With the computer
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    2. asked by woo
    3. 213 views
63. A bag contains 4 green marbles, 6 red marbles, 14 orange marbles, 5 brown marbles, and 8 blue marbles. You choose a marble,
    1. 3 answers
    2. asked by <3
    3. 121 views
64. A computer company hired interns from a group of 234 applicants. The table shows the numbers of applicants who were or were not
    1. 1 answer
    2. asked by Anonymous ;)
    3. 324 views
65. You have four $1 bills, two $5 bills, five $10 bills, and five $20 bills in your wallet. You select (1 point)a bill at random.
    1. 22 answers
    2. asked by lol
    3. 191 views
66. Each of two urns contains green balls and red balls. Urn I contains 10 green balls and 8 red balls. Urn II contains 3 green
    1. 1 answer
    2. asked by lol
    3. 98 views
67. A quiz consists of a multiple choice question with 6 possible answers followed by a multiple choice question with 4 possible
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    2. 321 views
68. A vacuum cleaner company has three machines, each making electric cords.Machine 1 is the oldest and of all units it produces
    1. 1 answer
    2. asked by xiny
    3. 217 views
69. You are visiting a kennel that has three German Shepherds, four Labrador Retrievers, six Chihuahuas, five Poodles, and four
    1. 1 answer
    2. asked by Anonymous
    3. 303 views
70. The school canteen has 30 sandwiches to be sold. The sandwiches are 9 hotdog, 5 tuna, ham, 5 cheese and egg, and 3 bacon. A
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    2. asked by Princess
    3. 605 views
71. Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is
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    2. asked by dilila gridwort
    3. 2,223 views
72. During a study of auto accidents, the highway safety council found that 60% of all accidents occur at night 52% are alcohol
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    2. asked by Abi
    3. 2,815 views
73. The probability Barry is either on time for school or there is no sickpassenger on the train is 8/9. The probability Barry will
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    2. asked by alice
    3. 374 views
74. A test for a certain rare disease is assumed to be correct 95% of the time: if a person has the disease, the test result is
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    2. asked by Chibuzo Ekenna Ekejiuba
    3. 834 views
75. In a bag, there are two types of candy bars: Snickers and Twix. Two items are chosen at random from the bag, without
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    2. asked by Isaiah
    3. 1,073 views
76. 1. A jar contains five blue balls and five red balls. You roll a fair die once. Next you randomly draw (without replacement) as
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    2. asked by zainab
    3. 1,340 views
77. In a certain population, the probability that a woman has red hair is 1/4. If a woman has red hair, the probability of her
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    2. asked by heather
    3. 1,035 views
78. The probability that a student at a certain college is male is 0.498 . The probability that a student at that college has a job
    1. 2 answers
    2. asked by heather
    3. 931 views
79. A class roster lists 15 boys and 12 girls. Two students are randomly selected to speak at a school assembly. if one of the
    1. 3 answers
    2. asked by happi frog
    3. 1,167 views
80. Out of 10 students, the favorite drink of seven students is Coke and the favorite drink of the rest is Fanta. A teacher picks a
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    2. asked by Agbon Emmanuella
    3. 614 views
81. Events A1, A2 and A3 form a partiton of the sample space S with probabilities P(A1)=0.1, P(A2)=0.1, P(A3)=0.8.If E is an event
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    2. asked by eve
    3. 1,094 views
82. Explain what you've used and why?There are a large number of students in Luttley College. 60% of the students are boys. Students
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    2. asked by Raj
    3. 973 views
83. At a particular hospital,records show that each day, on average,80% of people keep their appointment at the outpatient's clinic.
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    2. asked by Raj
    3. 759 views
84. 3 child family.... probability that all three children are girls given that at least one of the kids is a girl?P(E) = all 3 kids
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    2. asked by Lijim
    3. 487 views
85. Suppose the probability that it rains today is 40%, the probability it rains tomorrow is 50%, and the probability it rains
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    2. asked by Emma
    3. 522 views
86. A two-digit locker combination has two non-zero digits and no digit is repeated in any combinationEvent A = the first digit is
    1. 3 answers
    2. asked by Sophia
    3. 1,826 views
87. A bag contains 5 blue marbles, 8 green marbles, 4 red marbles, and 3 yellow marbles.Event A = drawing a green marble on the
    1. 2 answers
    2. asked by Sophia
    3. 2,114 views
88. A jar contains 5 orange marbles, 3 black marbles, and 6 brown marbles.Event A = drawing a brown marble on the first draw Event B
    1. 1 answer
    2. asked by Sophia
    3. 1,442 views
89. Of the53 students in a class, 33 are taking the class because it is a major requirement, and the other 20 are taking it as an
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    2. asked by Bob
    3. 893 views
90. 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. 1,052 views
91. There are 34 men and 32 women at a party. Of these, 13 men and 19 woman are married. If 2 people are chosen at random, find the
    1. 3 answers
    2. asked by Harry
    3. 1,026 views
92. An airline has 82% of its flights depart on schedule. It has 65% of its flight depart and arrive on schedule. Find the
    1. 28 answers
    2. asked by Izzy
    3. 3,942 views
93. A safety deposit box contains three ancient Roman coins:#1 both sides are silver #2 both sides are gold #3 one side is silver,
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    2. asked by William Marand
    3. 709 views
94. You have four $1 bills, two $5 bills, five $10 bills, and five $20 bills in your wallet, you select a bill at random. Without
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    2. asked by Phoenix Suns
    3. 1,871 views
95. A foreman for an injection-molding firm admits that on 46% of his shifts, he forgets to shut off the injection machine on his
    1. 1 answer
    2. asked by EKM
    3. 2,409 views
96. 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. 0 answers
    2. asked by Anonymous
    3. 779 views
97. A box contains twelve candies, five reds, four greens, and three blues. You select one piece at random, then replace it, then
    1. 1 answer
    2. asked by Keonn'a
    3. 573 views
98. A box contains 7 pieces of candy: 1 green, 1 blue, and 5 red. You select one piece at random. Find the following probabilities.a
    1. 1 answer
    2. asked by Keonn'a
    3. 1,099 views
99. Markov plays a game for three turns. On each turn, he either rolls a fair, six sided die or flips a fair coin. If he rolls a 1
    1. 4 answers
    2. asked by Anonymous
    3. 1,481 views
100. In a class of 50 students, 29 are Democrats, 11 are business majors, and 5 of the business majors are Democrats. If one student
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     2. asked by Dana
     3. 1,706 views