a. If a male passenger is randomly selected, find the probability that he can fit through the doorway without bending. The probability is _. (Round to four decimal places as needed.) b. If half of the 300 passengers are men, find the probability that the mean height of the 150 men is less than 70 in. The probability is . (Round to four decimal places as needed.) c. When considering the comfort and safety of passengers, which result is more relevant: the probability from part (a) or the probability from part (b)? Why? A. The probability from part (b) is more relevant because it shows the proportion of male passengers that will not need to bend. B. The probability from part (a) is more relevant because it shows the proportion of flights where the mean height of the male passengers will be less than the door height. C. The probability from part (a) is more relevant because it shows the proportion of male passengers that will not need to bend. D. The probability from part (b) is more relevant because it shows the proportion of flights where the mean height of the male passengers will be less than the door height. d. When considering the comfort and safety of passengers, why are women ignored in this case? A. Since men are generally taller than women, a design that accommodates a suitable proportion of men will necessarily accommodate a greater proportion of women. B. Since men are generally taller than women, it is more difficult for them to bend when entering the aircraft. Therefore, it is more important that men not have to bend than it is important that women not have to bend. C.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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An airliner carries 300passengers and has doors with a height of 70
in. Heights of men are normally distributed with a mean of 69.0
in and a standard deviation of 2.8 in.

a. If a male passenger is randomly selected, find the probability that he can fit through the doorway without bending.

The probability is _____. (Round to four decimal places as needed.)

b. If half of the 300 passengers are men, find the probability that the mean height of the 150 men is less than 70 in.

The probability is ____. (Round to four decimal places as needed.)

c. When considering the comfort and safety of passengers, which result is more relevant: the probability from part (a) or the probability from part (b)? Why?

The probability from part (b) is more relevant because it shows the proportion of male passengers that will not need to bend.

The probability from part (a) is more relevant because it shows the proportion of flights where the mean height of the male passengers will be less than the door height.

The probability from part (a) is more relevant because it shows the proportion of male passengers that will not need to bend.

The probability from part (b) is more relevant because it shows the proportion of flights where the mean height of the male passengers will be less than the door height.

d. When considering the comfort and safety of passengers, why are women ignored in this case?

Since men are generally taller than women, a design that accommodates a suitable proportion of men will necessarily accommodate a greater proportion of women.

Since men are generally taller than women, it is more difficult for them to bend when entering the aircraft. Therefore, it is more important that men not have to bend than it is important that women not have to bend.

There is no adequate reason to ignore women. A separate statistical analysis should be carried out for the case of women.

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