Question: A random sample of 81 items is taken, producing a sample mean of 47.The population standard deviation is 5.89.Construct a 90% confidence interval to estimate

A random sample of 81 items is taken, producing a sample mean of 47.The population standard deviation is 5.89.Construct a 90% confidence interval to estimate the population mean.

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A random sample of 81 items is taken, producing a sample mean of 47. The population standard deviation is 5.89. Construct a 90% confidence interval to estimate the population mean.

A random sample of 81 items is taken; producing a sample mean of 47. The population standard deviation is 5.89. Construct a 90% confidence interval to estimate the population mean.

A random sample of 81 items is taken, producing a sample mean of 47. Th e population standard deviation is 5.89. Construct a 90% confi dence interval to estimate the population mean.

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