Find the value of the standard normal random variable z, called 20 such that: (a) P(z...

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Find the value of the standard normal random variable z, called 20 such that: (a) P(z < 20) = 0.6282 Zo =0 (b) P(-zo z < 20) = 0.9902 Zo = (c) P(-20 z < 20) = 0.225 Zo = (d) P(zzo) = 0.2163 99 = (e) P(-20 z < 0) = 0.2801 Zo = (f) P(1.05 z < zo) = 0.7323 Zo = Find the value of the standard normal random variable z, called 20 such that: (a) P(z < 20) = 0.6282 Zo =0 (b) P(-zo z < 20) = 0.9902 Zo = (c) P(-20 z < 20) = 0.225 Zo = (d) P(zzo) = 0.2163 99 = (e) P(-20 z < 0) = 0.2801 Zo = (f) P(1.05 z < zo) = 0.7323 Zo =