Non-Cell Phone Distraction Cell Phone D 64 140 the accident was related to cell

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Non-Cell Phone Distraction Cell Phone D 64 140 the accident was related to cell phone usethe probabjr ability that the accident was not related to cell pho ability that the driver was over 29? 49. If a driver in this group is under 20, what is th bility of what is the prob. what is the prob- use, what is 50. If a driver in this group is between 20 and 29, w use? test is 51. If the accident was related to cell phone use 52. If the accident was not related to cell phone have the probability that the driver was between the e what of and 29? Assume that a softball player has a .300 batting a ion this simple we'll assume that this means the player has 0,30 club prob. the ability of getting a hit in each at bat. Use this information to answer wing Exercises 53-56. Assume that the player bats four times 53. What is the probability that she gets a hit only in her first at bat? 54. What is the probability that she gets exactly one hit? (Realize that there are four ways to do this.) 55. What is the probability that she gets exactly two hits? 56. What is the probability that she gets at least one hit? (Hint. Think complement.) Selecting a dormitory room. Exercises 57 and 58 refer to the tree diagram in Figure 13.16 of Example 5. -57. If Brianna gets an apartment, what is the probability that in dorm X? 96. If Brama gets a room, what is the probability that sthe is dorm Y? Testing a cold medication. Imagine that you are taking part in a

Explanation / Answer

53)

first bat hit, (second bat,third bat ,fouryth bat) did't hit

hit=0.3

failed to hit =0.7

required probability =0.3*0.7*0.7*0.7

                                =0.1029

                                  

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