A web based software company is interested in estimating

Reference no: EM13612172

A web based software company is interested in estimating the proportion of individuals who use the Firefox browser. In a sample of 200 of individuals, 23 users stated that they used Firefox. Using this data, construct a 99% confidence interval for the proportion of all individuals that use Firefox

A) What is the lower limit on the 99% confidence interval? Give your answer to three decimal places. .0568

B) What is the upper limit on the 99% confidence interval? Give your answer to three decimal places. .173

C) What sample size would be required so that the width of the 99% confidence interval would be at most 0.05 units wide? Be as conservative as possible with your answer!

Reference no: EM13612172

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