A Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachnophobia and are

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A Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachnophobia and are extremely afraid of spiders. At a summer camp there are 10 teenagers sleeping in each tent. Assume that these 10 teenagers are independent of each other.

(a) Calculate the probability that at least one of them suffers from arachnophobia.

(b) Calculate the probability that exactly 2 of them suffer from arachnophobia.

(d) If the camp counselor wants to make sure no more than 1 teenager in each tent is afraid of spiders, does it seem reasonable for him to randomly assign teenagers to tents?

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To solve this problem we can use the binomial probability formula PX k n C k pk 1 pn k Where PX k is ...View the full answer

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OpenIntro Statistics

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4th Edition

Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr

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Question Posted: Jul 20, 2023 06:21 AM

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A Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachnophobia and are

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To solve this problem we can use the binomial probability formula PX k n C k pk 1 pn k Where PX k is ...View the full answer

OpenIntro Statistics

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