A report of Frontier Airlines conducted a study to estimate average passenger plus carry-on weights. They found an average summer weight of 183 pounds and a winter average of 190 pounds. Suppose that each of these estimates was based on a random sample of 100 passengers and that the sample standard deviation were 20 pounds for summer weights and 23 pounds for the winter weights. Construct and interpret 95% confidence interval for the mean summer weight and mean winter weight of Frontier Airlines passengers.

597

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answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation:

there are infinitely many solutions.

your answer is b.

x = 33.9

y = 65.6

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