# Question: a In a random sample of 200 observations we found

a. In a random sample of 200 observations, we found the proportion of successes to be 48%. Estimate with 95% confidence the population proportion of successes.

b. Repeat part (a) with n = 500.

c. Repeat part (a) with n = 1000.

d. Describe the effect on the confidence interval estimate of increasing the sample size.

b. Repeat part (a) with n = 500.

c. Repeat part (a) with n = 1000.

d. Describe the effect on the confidence interval estimate of increasing the sample size.

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