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Normal Probability

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The E.P.A. has reported that the average fuel cost for a particular type of automobile is $800 with a standard deviation of $80. Fuel cost is assumed to be normally distributed. We would expect that only 10% of these cars would have an annual fuel cost greater than _______.

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Solution Summary

The solution provides step by step method for the calculation of probability based on Z score. Formula for the calculation and Interpretations of the results are also included.

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The E.P.A. has reported that the average fuel cost for a particular type of automobile is $800 with a standard deviation of $80. Fuel ...

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