1. The weights of 9-ounce bags of a particular brand of potato chips can be modeled by a normal distribution with mean of 9.12 ounces and standard deviation 0.05 ounce. Use the empirical rule to answer the following questions. (Make sketch of normal curve on the back.) a. What percent of bags weigh less than 9.07 ounces? b. What proportion of bags weigh between 8.97 and 9.17 ounces?

1. The weights of 9-ounce bags of a particular brand of potato chips can be modeled by a normal distribution with mean of 9.12 ounces and standard deviation 0.05 ounce. Use the empirical rule to answer the following questions. (Make sketch of normal curve on the back.) a. What percent of bags weigh less than 9.07 ounces? b. What proportion of bags weigh between 8.97 and 9.17 ounces?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Transcribed Image Text:1. The weights of 9-ounce bags of a particular brand of potato chips can be modeled by a normal distribution with mean of 9.12 ounces and standard deviation 0.05 ounce. Use the empirical rule to answer the following questions. (Make sketch of normal curve on the back.) a. What percent of bags weigh less than 9.07 ounces? b. What proportion of bags weigh between 8.97 and 9.17 ounces? 2. The heights of adult American men can be modeled by a normal distribution with mean µ = 69 inches and standard deviation o = 2.5 inches. Use the empirical rule to answer the following questions. (Make sketch of normal curve on the back.) a. What percent of adult American men are taller than 74 inches? b. What proportion of adult American men have heights between 64 and 71.5 inches?

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