Question

According to a Pew Research Center nationwide telephone survey of adults conducted March 15 to April 24, 2011, 55% of college graduates said that their college education prepared them for a job (Time, May 30, 2011). Suppose that this survey included 1450 college graduates.
a. What is the point estimate of the corresponding population proportion?
b. Construct a 98% confidence interval for the proportion of all college graduates who will say that their college education prepared them for a job. What is the margin of error for this estimate?


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  • CreatedAugust 25, 2015
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