SOLUTION: Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,500 per hour and a standard deviation of $195.
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Question 1126138: Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,500 per hour and a standard deviation of $195.
What is the operating cost for the lowest 4 percent of the airplanes? (Round z value to 2 decimal places. Omit the "$" sign in your response.) Answer by Boreal(15235) (Show Source):
