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Suppose a simple random sample of size n=41 is obtained from a population with = 68 and sigma equals = 14 (a) Assuming the normal

Suppose a simple random sample of size n=41 is obtained from a population with =68 and sigma equals =14

(a) Assuming the normal model can beused, determine P(barx<71.1).

(b) Assuming the normal model can beused, determine P(bar x 69.2)

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