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1. Many automobile insurance companies charge premiums for auto coverage de- pending on the number of miles driven annually by the principal driver. More- over, the Tri-Cal Insurance Company claims that it insures automobiles whose principal operators drive an average of 10,200 miles a year with a standard deviation of 860 miles. A random survey of 49 of this company's automobile policies is taken. What is the probability that the average number of miles driven annually by the principal operator is between 9,800 and 10,500 miles?

1. Many automobile insurance companies charge premiums for auto coverage de- pending on the number of miles driven annually by the principal driver. More- over, the Tri-Cal Insurance Company claims that it insures automobiles whose principal operators drive an average of 10,200 miles a year with a standard deviation of 860 miles. A random survey of 49 of this company's automobile policies is taken. What is the probability that the average number of miles driven annually by the principal operator is between 9,800 and 10,500 miles?

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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R SECTION 8.7 1. Many automobile insurance companies charge premiums for auto coverage de- pending on the number of miles driven annually by the principal driver. More- over, the Tri-Cal Insurance Company claims that it insures automobiles whose principal operators drive an average of 10,200 miles a year with a standard deviation of 860 miles. A random survey of 49 of this company's automobile policies is taken. What is the probability that the average number of miles driven annually by the principal operator is between 9,800 and 10,500 miles?
Transcribed Image Text:R SECTION 8.7 1. Many automobile insurance companies charge premiums for auto coverage de- pending on the number of miles driven annually by the principal driver. More- over, the Tri-Cal Insurance Company claims that it insures automobiles whose principal operators drive an average of 10,200 miles a year with a standard deviation of 860 miles. A random survey of 49 of this company's automobile policies is taken. What is the probability that the average number of miles driven annually by the principal operator is between 9,800 and 10,500 miles?
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