A Confidence Interval Was Used to Estimate the Proportion of Statistics

question 40

Multiple Choice

A confidence interval was used to estimate the proportion of statistics students who are females.A random sample of 72 statistics students generated the following 90% confidence interval: (0.438,0.642) .Based on the interval above,is the population proportion of females equal to 0.60?

• A)No,and we are 90% sure of it.
• B)No.The proportion is 54.17%.
• C)Maybe.0.60 is a believable value of the population proportion based on the information above.
• D)Yes,and we are 90% sure of it.

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