Question

a)

 probability = P(X>14.8) = P(Z>3)= 0.15 %

b)

 probability = P(X<2.5) = P(Z<0)= 50.0 %

c)

 probability = P(-1.6

d)

 probability = P(X>10.7) = P(Z>2)= 2.5 %

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