9.11E: Probability (Exercises)
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For the following exercises, assume two die are rolled.
47. Construct a table showing the sample space.
48. What is the probability that a roll includes a \(2 ?\)
49. What is the probability of rolling a pair?
50. What is the probability that a roll includes a 2 or results in a pair?
51. What is the probability that a roll doesn't include a 2 or result in a pair?
52. What is the probability of rolling a 5 or a \(6 ?\)
53. What is the probability that a roll includes neither a 5 nor a \(6 ?\)
For the following exercises, use the following data: An elementary school survey found that 350 of the 500 students preferred soda to milk. Suppose 8 children from the school are attending a birthday party. (Show calculations and round to the nearest tenth of a percent.)
54. What is the percent chance that all the children attending the party prefer soda?
55. What is the percent chance that at least one of the children attending the party prefers milk?
56. What is the percent chance that exactly 3 of the children attending the party prefer soda?
57. What is the percent chance that exactly 3 of the children attending the party prefer milk?