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QUESTION
The fluorescent light tubes made by the company Well-lit have lifetimes (X) that are normally distributed with mean "m" hours and standard deviation of 25 hours. 2.1. If P(X<2000)=0.0228, find the
The fluorescent light tubes made by the company Well-lit have lifetimes (X) that are normally distributed with mean "m" hours and standard deviation of 25 hours.
2.1. If P(X<2000)=0.0228, find the mean, "m", of the distribution.
