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Find the value of the standard normal random variable z, called zo, such that: (a) P(zzo) = 0.7798 20= (b) P(-20 20) = 0.7788

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Find the value of the standard normal random variable z, called zo, such that: (a) P(zzo) = 0.7798 20= (b) P(-20 20) = 0.7788 20= (c) P(-20 20) = 0.0916 (d) P(zzo)=0.229 20= (e) P(-20 0) = 0.3943 20 = (f) P(-2.11 < < 20) = 0.8391 20=

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