Essay
Transport Canada studies of fuel consumption indicate compact car fuel consumption to be normally distributed with a mean of 8.5 litres per 100 km and a standard deviation of 1.5 L/100 km. What percentage of compact cars use between 6.8 and 12.0 L/100 km?
Correct Answer:

Verified
P(6.8
x
12.0) = P(-1.13
z
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Correct Answer:
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