Specifically 68 of gen y people have a say in computer

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Specifically, 68% of Gen Y people have a say in computer purchases. Suppose you select a sample of 100 Gen Y respondents.

a. What is the probability that the sample percentage will be contained between 65% and 75%

b. The probability is 90% that the sample percentage will be contained within the symmetrical limits of the population percentage?

c. The probability is 95% that the sample percentage will be contained within what symmetrical limits of the population percentage?

d. Suppose you selected a sample of 400 respondents. How does this change your answers in (a) through (c)

Reference no: EM13615717

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