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Hello, I have already sent this question, but I think I got the wrong answer. Can...

Hello, I have already sent this question, but I think I got the wrong answer. Can you please double check it?

A survey of 145 students showed that only 87 checked their campus email account on a regular basis. Construct a 90% confidence interval for the percentage of students who check their email account on a regular basis.

Math   Statistics-And-Probability   
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Answer : 90% confidence interval for the population proportion is 0.533 < p < 0.667

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