Question 863379
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Hi
P (Z>1.53) = 6.30%
P (Z>1.46) =  7.21%
P (0.74 &#8804;  Z &#8804;  2.61) = 99.55% - 77.04%
P (-0.22 < Z < 1.31) = 90.49% - 41.29%