The average life of a brand of automobile tires is 30,000 miles, with a standard deviation of 2,000 miles. If a tire is selected and tested, find the probability that it will have a lifetime between 31,000 and 33,000 miles. Assume the variable is normally distributed. Give your answer as a percent rounded to two decimal places (to the nearest hundredth).
The average life of a brand of automobile tires is 30,000 miles, with a standard deviation of 2,000 miles. If a tire is selected and tested, find the probability that it will have a lifetime between 31,000 and 33,000 miles. Assume the variable is normally distributed. Give your answer as a percent rounded to two decimal places (to the nearest hundredth).
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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