Question 1
Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval of a population mean.
Margin of error = 0.08, sample standard deviation = 1.4
◦ 1225
◦ 613
◦ 35
◦ 98
Question 2
Find an estimate of the sample size needed to obtain the specified margin of error for the 95% confidence interval of a population mean.
Margin of error = 0.90, sample standard deviation = 9
◦ 200
◦ 400
◦ 360
◦ 20