SOLUTION: If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 h
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Question 647291: If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours?00 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours? Answer by MathLover1(20850) (Show Source):
