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Mathematics, 05.03.2021 08:20 8336622

2. In a recent poll, 13% of all respondents said that they were afraid of heights. Suppose this percentage is true for all Americans. Assume responses from different individuals are independent.
(a) What is the probability of having 3 randomly selected Americans all say that they are afraid of
heights?
(b) What is the probability of having none of the 3 randomly selected Americans say that they are afraid
of heights?
(c) What is the probability of having at least 1 of the 3 randomly selected Americans say that they are
afraid of heights?

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