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Confidence interval from the same sample

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Reference no: EM132227885

The confidence interval at the 95% level of confidence for the true population proportion was reported to be (0.750, 0.950). Which of the following is a possible 90% confidence interval from the same sample?

A. (0.766, 0.934)

B. (0.777, 0.900)

C. (0.731, 0.969)

D. (0.050, 0.250)

E. (0.025, 0.150

The Answer is A but I don't understand how to get it. Plz show your work.

Reference no: EM132227885

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