The batteries from a certain manufacturer have a mean lifetime of 890 hours, with a standard deviation of 70 hours. Assuming that the lifetimes are normally distributed, complete the following statements. (a) Approximately 95% of the batteries have lifetimes between hours and hours. (b) Approximately? of the batteries have lifetimes between 820 hours and 960 hours. ?
The batteries from a certain manufacturer have a mean lifetime of 890 hours, with a standard deviation of 70 hours. Assuming that the lifetimes are normally distributed, complete the following statements. (a) Approximately 95% of the batteries have lifetimes between hours and hours. (b) Approximately? of the batteries have lifetimes between 820 hours and 960 hours. ?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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