A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 124

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:
(.438, .642) . Based on the interval, is the population proportion of females equal to 58%?

• A)No, and we are 90% sure of it.
• B)Maybe. 58% is a believable value of the population proportion based on the information above.
• C)Yes, and we are 90% sure of it.
• D)No, the proportion is 54%.