The proportion of americans who are satisfied with the way

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

Distribution of p is approximately normal with u = 76 and o = 0.041.

(a) The probability that 80 Americans in the sample are satisfied with their lives is ? Round to 4 decimal.

(b) The probability that 77 or fewer Americans in the sample are satisfied with their lives is ? Round to 4 decimal.

Reference no: EM13606082

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