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The lifetimes of two brands of light bulbs, A and B, are normally distributed. Brand A has a mean lifetime of 800 hours with a standard deviation of 50 hours, while brand B has a mean lifetime of 850 hours with a standard deviation of 60 hours. If a random light bulb is selected and it lasts more than 820 hours, what is the probability that it belongs to brand B?

The lifetimes of two brands of light bulbs, A and B, are normally distributed. Brand A has a mean lifetime of 800 hours with a standard deviation of 50 hours, while brand B has a mean lifetime of 850 hours with a standard deviation of 60 hours. If a random light bulb is selected and it lasts more than 820 hours, what is the probability that it belongs to brand B?

MATLAB: An Introduction with Applications
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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Question1 13 POCO SHOT ON POCO M2 ▸ ||| I !!!! Question 2: The lifetimes of two brands of light bulbs, A and B, are normally distributed. Brand A has a mean lifetime of 800 hours with a standard deviation of 50 hours, while brand B has a mean lifetime of 850 hours with a standard deviation of 60 hours. If a random light bulb is selected and it lasts more than 820 hours, what is the probability that it belongs to brand B? · ▸
Transcribed Image Text:Question1 13 POCO SHOT ON POCO M2 ▸ ||| I !!!! Question 2: The lifetimes of two brands of light bulbs, A and B, are normally distributed. Brand A has a mean lifetime of 800 hours with a standard deviation of 50 hours, while brand B has a mean lifetime of 850 hours with a standard deviation of 60 hours. If a random light bulb is selected and it lasts more than 820 hours, what is the probability that it belongs to brand B? · ▸
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