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I need all the three answers ASAP A population has a mean of 52 and a standard deviation of 23. If a random sample of

I need all the three answers ASAP

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A population has a mean of 52 and a standard deviation of 23. If a random sample of 31 is taken, what is the probability that the sample mean is greater than 567 P(I 2 56) = A population has a mean of 48 and a standard deviation of 28. If a random sample of 35 is taken, what is the probability that the sample mean is between 53 and 547 P(53 A population has a mean of 53 and a standard deviation of 30. If a random sample of 34 is taken, what is the probability that the sample mean is less than 55

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