A Confidence Interval Was Used to Estimate the Proportion of Business

question 132

Multiple Choice

A confidence interval was used to estimate the proportion of business statistics students that are females.A random sample of 72 business 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. The proportion is 54.17%.
• B) Maybe. 0.60 is a believable value of the population proportion based on the information above.
• C) Yes, and we are 90% sure of it.
• D) No, and we are 90% sure of it.

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