Question

In a sample of 30 observations the number of successes equals 18.
a. Construct the 88% confidence interval for the population proportion of successes.
b. Construct the 98% confidence interval for the population proportion of successes.
c. What happens to the margin of error as you move from an 88% confidence interval to a 98% confidence interval?



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  • CreatedJanuary 28, 2015
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