Question: A random sample of size 200 was selected from a pool of university students and they were asked whether they use Facebook on a regular

A random sample of size 200 was selected from a pool of university students and they were asked whether they use Facebook on a regular basis. Sixty replied yes. What would be your 90% confidence interval estimate of the population proportion of regular Facebook users based upon the given information? (Hint: use 1.65 as the critical z-value)

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