MATHEMATICAL ASSOCIATION OF AMERICA Kwebwork / fa17-bl-math-m118-4422/isaacson13

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MATHEMATICAL ASSOCIATION OF AMERICA Kwebwork / fa17-bl-math-m118-4422/isaacson13/9 Isaacson13: Problem 9 Previous Problem Problem List Next Problem point) NOTE: You will be limited to no more than 3 attempts for credit on this problem.) Rework problem 23 from section 4.1 of your text involving a basketball player's three point shooting. Assume that his shots are Bernouli trials, and that he makes 1 in 5 of his shots. How many three point shots must the player attempt so that the probability of his hitting at least one of them is at least 0.797 Note: TFS sokution (You need to have an MP4 video player, e.g. Adobe's Flash Player, installed in order to view this video.) The textbook's version of this problem was solved on The Finite Show. You can view the streaming video of this solution Preview My Answers Submilt Answers ou have attempted this problem 0 times. You have unlimited attempts remaining.

Explanation / Answer

p = P(Three point shot) = 1/5 = 0.2

q = 1 - p = 1 - 0.2 = 0.8

Let he should attempt n shots. Then, according to the question:

P(At least 1) > 0.79

1 - P(X = 0) > 0.79

1 - (0.8)n> 0.79

Solving for n:

n = 7

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