5.7.2 At a spark plug factory, the machine that sets the gap follows a normal distribution with a mean of 1.5mmand standard deviation of 0.08mm. Find the 25th percentile of gap distances.Due to different models and options, the fuel economy of all vehicles from a certain manufacturer areapproximately normally distributed with a mean of 26.5 mpg and a standard deviation of 1.9 mpg. The highest 10%of all of these vehicles get fuel economy above what gas mileage?

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5.7.2 At a spark plug factory, the machine that sets the gap follows a normal distribution with a mean of 1.5mm and standard deviation of 0.08mm. Find the 25th percentile of gap distances.

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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5.7.2 At a spark plug factory, the machine that sets the gap follows a normal distribution with a mean of 1.5mm
and standard deviation of 0.08mm. Find the 25th percentile of gap distances.
Due to different models and options, the fuel economy of all vehicles from a certain manufacturer are
approximately normally distributed with a mean of 26.5 mpg and a standard deviation of 1.9 mpg. The highest 10%
of all of these vehicles get fuel economy above what gas mileage?

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