roblem #5: Suppose that the distribution of the lifetime of a car battery produced by a certain car company is we approximated by a normal distribution with a mean of 1800 hours and variance 104. What is the approximat probability that a batch of 100 car batteries will contain at least 18 whose lifetimes are less than 1718 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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Problem #5: Suppose that the distribution of the lifetime of a car battery produced by a certain car company is well
approximated by a normal distribution with a mean of 1800 hours and variance 104. What is the approximate
probability that a batch of 100 car batteries will contain at least 18 whose lifetimes are less than 1718 hours?
Problem #5:
answer correct to 4 decimals
Transcribed Image Text:Problem #5: Suppose that the distribution of the lifetime of a car battery produced by a certain car company is well approximated by a normal distribution with a mean of 1800 hours and variance 104. What is the approximate probability that a batch of 100 car batteries will contain at least 18 whose lifetimes are less than 1718 hours? Problem #5: answer correct to 4 decimals
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