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A Confidence Interval Was Used to Estimate the Proportion of Statistics

Question 36

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students who are female.A random sample of 72 statistics students generated the following 90% confidence interval: (0.438, 0.642) .Using the information above, what total size sample would be necessary if we wanted to estimate the true proportion to within A confidence interval was used to estimate the proportion of statistics students who are female.A random sample of 72 statistics students generated the following 90% confidence interval: (0.438, 0.642) .Using the information above, what total size sample would be necessary if we wanted to estimate the true proportion to within using 95% confidence? A) 105 B) 150 C) 420 D) 597 using 95% confidence?


A) 105
B) 150
C) 420
D) 597

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