Question: New research shows that members of a certain youth generation have a great say in household purchases. Specifically, 70% of the people in the generation

New research shows that members of a certain youth generation have a great say in household purchases. Specifically, 70% of the people in the generation have a say in computer purchases. Suppose you select a sample of I 00 respondents from the generation.

a. What is the probability that the sample percentage will be contained between 64% and 77%?

b. The probability is 80% that the sample percentage will be contained within what symmetrical limits of the population percentage?

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