The proportion of americans who are satisfied with the way

Reference no: EM13605782

The proportion of Americans who are satisfied with the way things are going in their lives is 0.76. Suppose that a random sample of 110 Americans is obtained.

(a) What is the probability that at least 80 Americans in the sample are satisfied with their lives?

(b) What is the probability that 77 or fewer Americans in the sample are satisfied with their lives?

Reference no: EM13605782

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