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Mathematics, 27.02.2020 02:54 Chuchee4604

Suppose a random sample of size 49is drawn from a population with a mean value of 278. If the probability that a sample mean is less than 280equals 0.67, what is the standard deviation of the population

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Suppose a random sample of size 49is drawn from a population with a mean value of 278. If the probab...
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