A researcher wants to estimate the proportion of Millennials who regularly listen to podcasts (defined as at least two entire podcasts per week).Previous studies indicate that only 18% of Millennials listen regularly to podcasts, and this researcher wants to estimate if that figure has increased.For this purpose, the researcher will use a 98% confidence level and wants to estimate the population proportion within 0.05 (i.e., 5 percentage points)of the actual value.The approximate sample size is at least ______.
A)47
B)48
C)318
D)321
E)331

Question

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The Answer of A researcher wants to estimate the proportion of Millennials who regularly listen to podcasts (defined as at least two entire podcasts per week).Previous studies indicate that only 18% of Millennials listen regularly to podcasts, and this researcher wants to estimate if that figure has increased.For this purpose, the researcher will use a 98% confidence level and wants to estimate the population proportion within 0.05 (i.e., 5 percentage points)of the actual value.The approximate sample size is at least ______.
A)47
B)48
C)318
D)321
E)331

A Researcher Wants to Estimate the Proportion of Millennials Who