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operating cost for the lowest 4 percent of the airplanes

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Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,050 per hour and a standard deviation of $205.

What is the operating cost for the lowest 4 percent of the airplanes? (Round z value to 2 decimal places. Omit the "$" sign in your response.)

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Solution Summary

This solution discusses operation cost.

$2.19