Jcausey7215 Jcausey7215

24-05-2023
Mathematics

contestada

Assume the lifetimes of a certain light bulb are normally distributed with a mean of 10 months and a standard deviation of 2 months. What is the probability that the lifetime of a given light bulb is between 6 and 9 months?
a. 0.0548 b. 0.0190 c. 0.7882
d. 0.2857

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