The lifetime of a battery in a certain application is normally distributed with mean u = 16 hours and standard deviation o = 2 hours. a. What is the probability that a battery will last more than 19 hours? b. Find the 1Oth percentile of the lifetimes. c. A particular battery lasts 14.5 hours. What percentile is its lifetime on? d. What is the probability that the lifetime of a battery is between 14.5 and 17 hours?
The lifetime of a battery in a certain application is normally distributed with mean u = 16 hours and standard deviation o = 2 hours. a. What is the probability that a battery will last more than 19 hours? b. Find the 1Oth percentile of the lifetimes. c. A particular battery lasts 14.5 hours. What percentile is its lifetime on? d. What is the probability that the lifetime of a battery is between 14.5 and 17 hours?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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