The lifetime of lightbulbs that are advertised to last for 4800 hours are normally distributed with a meanof 4950 hours and a standard deviation of 100 hours. What is the probability that a bulb lasts longerthan the advertised figure?Probability =

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Answered: The lifetime of lightbulbs that are…

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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Similar questions

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A certain brand of car tends to break down on average after 115,000miles with a standard deviation of 4800 miles. If 36 cars of this brand are sampled,find the probability that their average breakdown mileage is less than 113,500miles. a. 0.0301 b. 0.3783 c. 0.6217 d. 0.9699
The length of a ball pen is known to be normal with mean 5 inches with a standard deviation of 0.1 inch. Desiree bought one of such a ball pen. What is the probability that its length is between 4.85 inches to 5.10 inches? Solve and illustrate in the Normal curve.
The life of light bulbs is distributed normally. the standard deviation of the lifetime is 29 hours and the mean lifetime of a bulb is 590. Find the probability of a bulb lasting for at most 608 hours (round your answer to four decimal places)
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The lifetime of lightbulbs that are advertised to last for 4800 hours are normally distributed with a mean of 4950 hours and a standard deviation of 100 hours. What is the probability that a bulb lasts longer than the advertised figure? Probability =