A polling organization interviewed by phone 400 randomly

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A polling organization interviewed by phone 400 randomly selected fans about their opinion on random drug testing of professional baseball players and found that 68% favored such a regulation.

a. Find the standard error of the proportion.

b. Find the 95% confidence interval for the population proportion.

c. Find the 99% confidence interval for the population proportion.

Reference no: EM13630524

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