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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 . The probability that

A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken . The probability that the sample mean will be larger tha 78 is 0.9772 0.5228 0.0228 0.4772 Multiple choice

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