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)