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Construct the indicated confidence interval for the population mean using the t-distribution. c=0.90, x =2.2, s=2.0, n=8 The 90% confidence interval using a t-distribution is??

Construct the indicated confidence interval for the population mean using the t-distribution.

c=0.90, x =2.2, s=2.0, n=8 The 90% confidence interval using a t-distribution is?? (Round to one decimal place as needed.)

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