A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 35

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 99% confidence interval:
(.438, .642) . State the level of reliability used to create the confidence interval.

• A)between 43.8% and 64.2%
• B)99%
• C)72%
• D)64.2%