An LED lightbulb manufacturer produces lights with a mean lifespan of 10,000 hours and a standard deviation of 1,000 hours. What are the odds that a randomly selected light bulb will last more than 13,000 hours ?

An LED lightbulb manufacturer produces lights with a mean lifespan of 10,000 hours and a standard deviation of 1,000 hours. What are the odds that a randomly selected light bulb will last more than 13,000 hours ?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

An LED lightbulb manufacturer produces lights with a mean lifespan of 10,000 hours and a standard deviation
of 1,000 hours. What are the odds that a randomly selected light bulb will last more than 13,000 hours ?

What are the odds that a randomly selected light bulb in the last problem will last between 8,500 and 11,500
hours ? Sketch and answer with a final p-value:

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