Mean and standard deviation of the distribution

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Reference no: EM132464497

Suppose x has a distribution with a mean of 70 and a standard deviation of 51. Random samples of size n = 36 are drawn.

(a) Compute the mean and standard deviation of the distribution. (For each answer, enter a number.)

ux=

ox=

(b) Find the z value corresponding to x bar = 53. (Enter an exact number.)

z =

P(x bar < 53) =

Reference no: EM132464497

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