A random sample of 400 was drawn from a normal

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A random sample of 400 was drawn from a normal distribution with astandard deviation of 5. The sample mean is 80. Determine the 95%confidence interval estimate of the population mean.

Reference no: EM13638103

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A random sample of 400 was drawn from a normal : a random sample of 400 was drawn from a normal distribution with astandard deviation of 5. the sample mean is 80.
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