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please solve this question with proper formulas without using excel A normally distributed population has a mean of 575 and a standard deviation of 24.

please solve this question with proper formulas without using excel

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A normally distributed population has a mean of 575 and a standard deviation of 24. a. Determine the probability that a random sample of size 9 selected from this population will have a sample mean less than 566. b. Determine the probability that a random sample of size 16 selected from the population will have a sample mean greater than or equal to 586. a. P (x

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