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l' An airliner carries 350 passengers and has doors with a height of'i'4 in. Heights of men are normally distributed with a mean of 69.0
l' An airliner carries 350 passengers and has doors with a height of'i'4 in. Heights of men are normally distributed with a mean of 69.0 in and a standard deviation of 2.3 in. Complete parts (a) through (d). a. If a male passenger is randomly selected, nd the probability that he can t through the doorway wittmut bending. The probability is |:_ {Round to four decimal places as needed.) b. If half of the 350 passengers are men, nd the probability that the mean height of the 1?5 men is less than T4 in. The probability is |: (Round to four decimal places as needed.) 0. 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? 0 A. The probability from part (b) is more relevant because it shows the proportion cfmale passengers that will not need to bend. O B. The probability from part (b) is more relevant because it shows the proportion cfights where the mean height cfthe male passengers will be less than the door height. 0 C. The probability from part (a) is more relevant because it shows the proportion of ights where the mean height of the male passengers will be less than the door height. 0 D. The probability from part (a) is more relevant because it shows the proportion of male passengersthat will not need to bend. d. When considering the comfort and safety of passengers. why are women ignored in this case? 0 A. There is no adequate reason to ignore women. A separate statistical analysis should be carried out for the case of women. 0 B. Since men are generally taller than women, a design that accommodates a suitable proportion of men will necessarily accommodate a greater proportion of women. 0 0. Since men are generally taller than women, it is more difcult for them to bend when entering the aircraft. Therefore, it is more important that men not have to d. When OOHSKIBHI'IQ the oomtorl ano satelyot passengers. Why are WDI'I'IEH IQHOI'EG In [ME 0389? O A. There is no adequate reason to ignore women. A separate statistical analysis should be carried out tor the case of women. 0 3. Since men are generally taller than women, a design that accommodates a suitable proportion of men will necessarily accommodate a greater proportion of women. 0 c. Since men are generally taller than women, it is more difcult 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 nothave to bend
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