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 0.08 using 95% confidence?
A) 105
B) 150
C) 420
D) 597
Correct Answer:
Verified
Correct Answer:
Verified
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