An electrical firm manufactures light bulbs that have a length of life that is normally distributed with mean equal to 818 hours and a standard deviation of 43 hours. Find the probability that a bulb burns between 782 and 871 hours. (Write your final answer in decimal form, and round off to 4 decimal places.)
An electrical firm manufactures light bulbs that have a length of life that is normally distributed with mean equal to 818 hours and a standard deviation of 43 hours. Find the probability that a bulb burns between 782 and 871 hours. (Write your final answer in decimal form, and round off to 4 decimal places.)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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