Suppose that a brand of lightbulb lasts on average 2741 hours with a standard devia hours. Assume the life of the lightbulb is normally distributed. Calculate the probabili particular bulb will last from 2310 to 3370 hours? P(2310 < X< 3370) = Enter your ahiswer as a number accurate to 4 decimal places. *Note: all z-scores must be rounded to the nearest hundredth.

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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Suppose that a brand of lightbulb lasts on average 2741 hours with a standard deviation of 242
hours. Assume the life of the lightbulb is normally distributed. Calculate the probability that a
particular bulb will last from 2310 to 3370 hours?
P(2310 < X< 3370) =
Enter your arswer as a number accurate to 4 decimal places.
*Note: all z-scores must be rounded to the nearest hundredth.
Question Help: Message instructor
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Transcribed Image Text:Suppose that a brand of lightbulb lasts on average 2741 hours with a standard deviation of 242 hours. Assume the life of the lightbulb is normally distributed. Calculate the probability that a particular bulb will last from 2310 to 3370 hours? P(2310 < X< 3370) = Enter your arswer as a number accurate to 4 decimal places. *Note: all z-scores must be rounded to the nearest hundredth. Question Help: Message instructor I Calculator
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