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Find out the area under the standard normal curve that lies to the left of z = - 3.49 .

Find out the area under the standard normal curve to the left of z = - 2.94 or to the right of z = 2.94. Find out the value of Z 0.15

Assume a simple random sample of size n=36 is obtained from the population with µ=64 and σ= 18. Find out P( X<62.6)

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