Mathematics, 02.07.2020 03:01 jphelps19992019

3. According to a survey, 68% of Americans say that they go to a movie theater at least once a month.
Suppose that this proportion is true for the current
American population.
a.
Let x be a binomial random variable that denotes
the number of Americans in a random sample of
12 who say that they go to a movie theater at
least once a month. What are the possible
values that x can assume?
b. Find the probability that exactly 9 Americans in
a random sample of 12 will say that they go to a
movie theater at least once a month.

3. According to a survey, 68% of Americans say that

they go to a movie theater at least once a mo

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3. According to a survey, 68% of Americans say that they go to a movie theater at least once a mont...