Mathematics, 07.05.2020 00:59 zack66828
PLEASE HELP !!
Suppose that a random sample of 200 light bulbs has a mean of 600 hours, a standard deviation of 53 hours and is a bell shape.
According to the Empirical Rule, 99.7% of the light bulbs will have a life between what or two hours?
A. 706-759
B. 600-706
C. 441-759
Answers: 2
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PLEASE HELP !!
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