manufacturer claims their batteries have an average life of 5 years with a standard deviation of 1.3 years. Assuming battery life is normally distributed, what is the probability a random sample of 25 batteries has an average life between 4.7 and 5.5 years? 0.1515
manufacturer claims their batteries have an average life of 5 years with a standard deviation of 1.3 years. Assuming battery life is normally distributed, what is the probability a random sample of 25 batteries has an average life between 4.7 and 5.5 years? 0.1515
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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42. An automobile battery manufacturer claims their batteries have an average life of 5 years with a standard deviation of 1.3 years. Assuming battery life is
0.1515
0.8485
0.7590
0.2410
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