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A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken from this population. The

A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken from this population. The probability that the sample mean will be larger than 82 is:

a.0.4772b.0.5228c.0.0228d.0.9772

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