Answer to Question #262248 in Other for Ali

Question

According to a National Public Radio poll, 46% of American school principals believe that students

pay little or no attention to sex education provided in schools (http://www.npr.org/programs/morning/

features/2004/jan/kaiserpoll/principalsfinal.pdf). Suppose that this result is true for the current population

of American school principals.

a. Let x be a binomial random variable denoting the number of American school principals in a random

sample of 11 who believe that students pay little or no attention to sex education taught in

schools. What are the possible values that x can assume?

b. Find the probability that in a random sample of 11 American school principals, exactly 3 believe

that students pay little or no attention to sex education taught in schools.

Answer 1

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