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QUESTION 4 The lifetime of traditional light bulbs measured in hours is known to be normally distributed with u=100 and o=20. What is the probability

QUESTION 4 The lifetime of traditional light bulbs measured in hours is known to be normally distributed with u=100 and o=20. What is the probability that a randomly selected traditional light bulb will have a lifetime of 135 hours or longer? You need to use a normal distribution table. Find the nearest answer. a. 10.565% O b. 22.683% O C. 4.006% O d. 89.435% O e. 77.337%

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