Question: Given that x is a normally distributed random variable with a mean of 28 and a standard deviation of 7, find the following probability a.
a. P(x < 28)
b. P(28 < x < 38)
c. P(24 < x < 40)
d. P(30 < x < 45)
e. P(19 < x < 35)
f. P(x < 48)
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Use formula z x a Px 28 Pz 28 287 Pz 000 05000 b P28 x 38 P28 287 z 38 287 P000 z ... View full answer
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