A survey of 25 randomly selected customers found the ages shown (in years). The mean is 32.20 years and the standard dev

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A survey of 25 randomly selected customers found the ages shown (in years). The mean is 32.20 years and the standard dev

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A Survey Of 25 Randomly Selected Customers Found The Ages Shown In Years The Mean Is 32 20 Years And The Standard Dev 1
A Survey Of 25 Randomly Selected Customers Found The Ages Shown In Years The Mean Is 32 20 Years And The Standard Dev 1 (17.67 KiB) Viewed 31 times
A survey of 25 randomly selected customers found the ages shown (in years). The mean is 32.20 years and the standard deviation is 9.94 years. a) Construct a 90% confidence interval for the mean age of all customers, assuming that the assumptions and conditions for the confidence interval have been met. b) How large is the margin of error? a) What is the confidence interval? (Round to two decimal places as needed.) b) What is the margin of error? The margin of error is (Round to two decimal places as needed.) C 16 34 43 21 28 40 47 35 32 45 49 22 39 25 23 30 30 47 31 34 37 11 24 26 36
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