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Loading Aircraft Before every flight, the pilot must

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 22BSC Chapter 6.5

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 22BSC

Loading Aircraft Before every flight, the pilot must verify that the total weight of the load is less than the maximum allowable load for the aircraft. The Bombardier Dash 8 aircraft can carry 37 passengers, and a flight has fuel and baggage that allows for a total passenger load of 6200 lb. The pilot sees that the plane is full and all passengers are men. The aircraft will be overloaded if the mean weight of the passengers is greater than 6200 lb/37 = 167.6 lb. What is the probability that the aircraft is overloaded? Should the pilot take any action to correct for an overloaded aircraft? Assume that weights of men are normally distributed with a mean of 182.9 lb and a standard deviation of 40.8 lb (based on Data Set 1).

Step-by-Step Solution:

Answer:

Step 1 of 1</p>

We are dealing with mean of sample 37 passengers not an individual so we need to find sample mean and sample standard deviation which is given below.

The Sample Mean is given by

     = 182.9 lb

The Standard deviation of the distribution of the sample mean is

     =

     = 6.7074

By Central limit theorem, the sample mean is normally distributed with mean  and standard deviation

The Test Statistic can be expressed as

   ...

Step 2 of 3

Chapter 6.5, Problem 22BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Loading Aircraft Before every flight, the pilot must

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