μ = 13
σ = 2
a)
= P(Z > 0.75)
= 1 - P(Z < 0.75)
= 1 - 0.7734
= 0.227
b)
= P(Z < -1)
= 0.159
c)
= P(0.33 < Z < 2.4)
= P(Z < 2.4) - P(Z < 0.33)
= 0.9918 - 0.6293
= 0.363
d)
= P(-2.52 < Z < 1.22)
= P(Z < 1.22) - P(Z < -2.52)
= 0.8888 - 0.0059
= 0.883
Suppose x is a normally distributed random variable with 13 and Find each of the following...
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