Confidence interval on the mean payment time, Basic Statistics

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Confidence interval on the mean payment time

Payment times of 100 randomly selected cus- tomers this month had an average of 35 days. The standard deviation from this group was 2 days.

a. Build a 90% two-sided confidence interval on the mean payment time."

b. Build a 99% two-sided confidence interval on the mean payment time.

c. Is it possible that the average time is 30 days?"

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Basic Statistics: Confidence interval on the mean payment time

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Basic Statistics: Confidence interval on the mean payment time

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Basic Statistics: Confidence interval on the mean payment time

Reference No:- TGS0748125

Recent Questions Asked Basic Statistics

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