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(Choose 1 answer)
☐ A
A. 0.1971
☐ C
B. 0.0910
C. 0.3791
D. 0.2881
In one region, the September energy consumption levels for single-family homes are normally distributed with
a mean of 1050 kWh and a standard deviation of 218 kWh. For a randomly selected home, find the probability
that the September energy consumption level is between 1100 kWh and 1225 kWh.
Let P(Z<-1.3) 0.0968, P(Z < -0.3) = 0.3821, P(Z< 0.23) = 0.5910 and P(Z < 0.8) = 0.7881.
☐ E
E. None of the other choices is correct
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