Question: Using a computer or calculator, randomly select a sample of 40 single-digit numbers and find the 90% confidence interval for . Repeat several times, observing

Using a computer or calculator, randomly select a sample of 40 single-digit numbers and find the 90% confidence interval for . Repeat several times, observing whether or not 4.5 is in the interval each time. Refer to Example 8.4, page 407. Describe your results.

FYI Use commands for generating integer data on page 407; then continue with confidence interval commands on pages 409–410.

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