The life expectancy of a fluorescent tube is normally distributed with a mean of 6,050 hoursand a standard deviation of 800 hours. Find the probability that a tube lasts for more than6,850 hours. Use the Empirical Rule.B.Empirical Rule for a Normal DiistributionIn a normal dstribution, approximately68* ofthe data lie within 1 standard deviation of the mean.95% of the data lie within 2 xtandard deviations of the mean.*997% of the data lie within 3 standard deviations of the mean.A nermal dislibuion236%Manf the datithe data

As per given by question, find a probability that a tube lasts for more than 6850 hours when the…

The life expectancy of a fluorescent tube is normally distributed with a mean of 6,050 hou and a standard deviation of 800 hours. Find the probability that a tube lasts for more than 6,850 hours. Use the Empirical Rule.

The life expectancy of a fluorescent tube is normally distributed with a mean of 6,050 hou and a standard deviation of 800 hours. Find the probability that a tube lasts for more than 6,850 hours. Use the Empirical Rule.

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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Estimation

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Question

The life expectancy of a fluorescent tube is normally distributed with a mean of 6,050 hours
and a standard deviation of 800 hours. Find the probability that a tube lasts for more than
6,850 hours. Use the Empirical Rule.
B.
Empirical Rule for a Normal Diistribution
In a normal dstribution, approximately
68* ofthe data lie within 1 standard deviation of the mean.
95% of the data lie within 2 xtandard deviations of the mean.
*997% of the data lie within 3 standard deviations of the mean.
A nermal dislibuion
236%
Manf the dati
the data

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