Question 869820
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Hi
P(x < 5):  -1.75=  (5-m)/sd, m = 5 + 1.75sd  invNorm(.04) = -1.75
P(x < 25): -.6745 = (25-m)/sd,               invNorm(.25) = -.6745
           -.6745sd = 20-1.75sd
            1.0755sd = 20
                  sd = 18.6   and m = 5 + 32.543 = 37.543