Answer Happy

QUESTION 6 A psychology student is interested in people's general approval of Nintendo's new online expansion pass. They sample a total of 2011 gamers. What sample size would be required for a confidence interval for the proportion of Switch owners that plan to get the expansion pass, at a 99% confidence level, with a margin of error of at most 0.07? Suppose a forum claims that 55% of their participants planned to get the expansion pass. QUESTION 7 A psychology student is interested in people's general approval of Nintendo's new online expansion pass. They sample a total of 2009 gamers. What sample size would be required for a confidence interval for the proportion of Switch owners that plan to get the expansion pass, at a 90% confidence level, with a margin of error of at most 0.02? Suppose no prior estimate of p are available.