statistics
posted by steve .
In response to the increasing weight of airline passengers, the Federal Aviation Administration in 2003 told airlines to assume that passengers average 190 pounds in the summer, including clothing and carryon baggage. But passengers vary, and the FAA did not specify a standard deviation. A reasonable standard deviation is 35 pounds. Weights are not Normally distributed, especially when the population includes both men and women, but they are not very nonNormal.
1. A commuter plane carries 19 passengers. What is the approximate probability that the total weight of the passengers exceeds 4000 pounds? Use the fourstep process and Table A to guide your work.
(Hint: To apply the central limit theorem, restate the problem in terms of the mean weight.)

What four step process? Also, we do not have access to Table A.
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