IDH 2

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62% of men consider themselves professional baseball fans. You randomly select 10 men and ask each if he considers himself a professional baseball fan. Find the probability that the number who consider themselves baseball fans is​

Find the sample​ size, n, needed to estimate the percentage of adults who have consulted fortune tellers. Use a 0.03
margin of​ error, use a confidence level of 90
​%,
and use results from a prior poll suggesting that 15
​%
of adults have consulted fortune tellers.