Question

a) P(z < 1.43) = b) P(z > -0.81) = c) P(0.78 < z < 2.64)...

a) P(z < 1.43) =
b) P(z > -0.81) =
c) P(0.78 < z < 2.64) =
d) P(z < -1.65 or z > 1.65) =

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