Essay
Water Usage Narrative
The mayor of the city of Windsor was informed that household water usage is a normally distributed random variable with a mean of 95 litres and a standard deviation of 16 litres per day.
-If X is a normal random variable with a mean of 45 and a standard deviation of 8, find the following probabilities:
a. P(X 50)
b. P(X 32)
c. P(37 X
48)
d. P(50 X
60)
e. P(X = 45)
Correct Answer:

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a. 0.2643
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Correct Answer:
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