Suppose a random sample of n = 22 measurements is selected from a population with mean μ = 53 and standard deviation σ = 21. Find the probability that the sample mean  falls between 58.25 and 78.25. Round to four decimal places.

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A: (6)  (7)  (8) (9)  (10)

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A: Let asume,

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A: Part (a) - (i):Part (a)- (ii):

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A: We have to use the concept of elimination method

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A: since  x be side of square.then Area=x^2

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