A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 116

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

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Definitions:

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