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31 a) In a survey of 2282 adults, 727 say they believe in UFOs. Construct a 90% confidence interval for the population proportion of adults

31 a) In a survey of 2282 adults, 727 say they believe in UFOs.

Construct a 90% confidence interval for the population proportion of adults who believe in UFOs.

A 90% confidence interval for the population proportion is (

nothing

(Round to three decimal places asneeded.)

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