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What percentage of adult males satisfy this height requirement? What percentage of adult females satisfy this height requirement?  \nErgonomics 101 Ergonomics is a discipline focused on the design of tools and equipment so that they can be used safely, comfortably, and efficiently. The design of civilian and military aircraft makes extensive use of ergonomics. Some  \nof the basic tools introduced in this chapter will enable us to solve many problems related to ergonomics, such as those involving the following requirements.  \n• The U.S. Air Force requires that its pilots must have heights between 64 inches and 77 inches. (This requirement was being changed at the time of this writing.)  \n• The U.S. Army requires that women must be between 58 in. and 80 in. tall.  \n244  \nChapter Objectives 245  \n• Section 4.4.2 of the Americans with Disabilities Act relates to height clearances with this statement: “Walks, halls, corridors, passageways, aisles, or other circulation spaces shall have 80 in. (2030 mm) minimum clear head room.”  \n• The elevator in the San Francisco Airport rental car facility has a placard indicating a maximum load of 4000 lb or  \n27 passengers.  \n• A Disney requirement for someone wanting to be employed as the Tinkerbell character is that they must have a height between 58 inches and 62 inches.  \n• Radio City Music Hall Rockette dancers must be females with heights between 66 inches and 70.5 inches.  \n• The Bombardier Dash 8 aircraft can carry 37 passengers, and the fuel and baggage allow for a total passenger load of 6200 lb.  \n• When women were finally allowed to become pilots of fighter jets, engineers needed to redesign the ejection seats because they had been originally designed for men weighing between 140 lb and 211 lb.  \nErgonomic problems often involve extremely important safety issues, and here are real cases that proved to be fatal:  \n• “We have an emergency for Air Midwest fifty-four eighty,”said pilot Katie Leslie, just before her Beech plane crashed in Charlotte, North Carolina, resulting in the death of all  \n21 crew and passengers. Excessive total weight of the passengers was suspected as a factor that contributed to the crash.  \n• After 20 passengers perished when the Ethan Allen tour boat capsized on New York’s Lake George, an investigation showed that although the number of passengers was below the maximum allowed, the boat should have been certified for a much smaller number of passengers.  \n• A water taxi sank in Baltimore’s Inner Harbor, killing 5 of the 25 people on board. The boat was certified to carry  \n25 passengers, but their total weight exceeded the safe load of 3500 lb, so the number of passengers should have been limited to 20.  \nCHAPTER OBJECTIVES  \nChapter 5 introduced discrete probability distributions, but in this chapter we introduce continuous probability distributions. Most of this chapter focuses on normal distributions, which are the most important distributions in the field of statistics. Here are the chapter objectives:  \n6-1 The Standard Normal Distribution  \n• Describe the characteristics of a standard normal distribution.  \n• Find the probability of some range of z scores in a standard normal distribution.  \n• Find z scores corresponding to regions under the curve representing a standard normal distribution.  \n6-2 Real Applications of Normal Distributions  \n• Develop the ability to describe a normal distribution (not necessarily a standard normal distribution) .  \n• Find the probability of some","cbCainGojTtKo1Nv","https://ap.wps.com/l/cbCainGojTtKo1Nv","pdf",21013435,66,"English","# 6-1 The Standard Normal Distribution\n# 6-2 Real Applications of Normal Distributions\n# 6-3 Sampling Distributions and Estimators\n# 6-4 The Central Limit Theorem\n# 6-5 Assessing Normality\n# 6-6 Normal as Approximation to Binomial","[{\"question\":\"What are the three key properties of the standard normal distribution?\",\"answer\":\"It is bell-shaped, has mean 0 (m = 0), and has standard deviation 1 (s = 1).\"},{\"question\":\"How is the standard normal distribution used to find probabilities?\",\"answer\":\"The chapter explains finding the probability of a specified range of z scores and locating z scores corresponding to areas under the curve.\"},{\"question\":\"When can normal methods be used for other distributions?\",\"answer\":\"The chapter specifies conditions for using the central limit theorem for sample means and conditions for using a normal distribution to approximate a binomial distribution.\"}]","NORMAL PROBABILITY DISTRIBUTIONS - Chapter Objectives | PDF",1791054495,166]