Worksheet 5 - Math 146 Online Worksheet 5 Applications of...

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Mathematics for Elementary School Teachers
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Chapter 5 / Exercise 52
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Math 146 Online Worksheet 5 Applications of Normal Distributions and Central Limit Theorem (Work shown on attached blank paper I’ve also uploaded!!!!) A. Normal Distributions 1. Designing Cars . The sitting height (from seat to top of head) of drivers must be considered in the design of a new car model. Men have sitting heights that are normally distributed with a mean of 36.0 inches and a standard deviation of 1.4 inches ( based on anthropometric survey data from Gordon, Clauser, et al ). Engineers have provided plans that can accommodate men with sitting heights up to 38.8 heights, but taller men cannot fit. If a man is randomly selected, find the probability that he has a sitting height less than 38.8 inches.
2. A company that has a large number of supermarket grocery stores claims that customers who pay by personal checks spend an average of $87 on groceries at these stores with a standard deviation of $22. Assume that the expenses incurred on groceries by all such customers at these stores are
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Mathematics for Elementary School Teachers
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Chapter 5 / Exercise 52
Mathematics for Elementary School Teachers
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