3.32 Arachnophobia: A 2005 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. Round your answer to 4 decimal places. b) Calculate the probability that exactly 2 of them suffer from arachnophobia? Round your answer to 4 decimal places. c) Calculate the probability that at most 1 of them suffers from arachnophobia? Round your answer to 4 decimal places.
3.32 Arachnophobia: A 2005 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. Round your answer to 4 decimal places. b) Calculate the probability that exactly 2 of them suffer from arachnophobia? Round your answer to 4 decimal places. c) Calculate the probability that at most 1 of them suffers from arachnophobia? Round your answer to 4 decimal places.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:3.32 Arachnophobia: A 2005 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. Round your answer to 4
decimal places.
b) Calculate the probability that exactly 2 of them suffer from arachnophobia? Round your answer to 4
decimal places.
c) Calculate the probability that at most 1 of them suffers from arachnophobia? Round your answer to 4
decimal places.
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