Question: 2. 2. Arachnaphobia < Previous A 2005 Gallup Poll found that 8% of teenagers (ages 13 to 17) suffer from arachnophobia and are extremely afraid

2. Arachnaphobia < Previous A 2005 Gallup Poll found that 8% of teenagers (ages 13 to 17) suffer from arachnophobia and are extremely afraid of spiders. At summer camp there are 9 teenagers sleeping in each tent. Assume that these 9 teenagers are independent of each other. (a) Calculate the probability that at least 2 of them suffers from arachnophobia. (b) Calculate the probability that exactly 3 of them suffer from arachnophobia. (c) Calculate the probability that at most 3 of them suffers from arachnophobia.

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