Essay
The flashlight batteries produced by one of the northern manufacturers are known to have an average life of 60 hours with a standard deviation of 4 hours. Use Chebyshev's theorem to answer the following questions.
a.At least what percentage of flashlights will have a life of 54 to 66 hours?
b.At least what percentage of the batteries will have a life of 52 to 68 hours?
c.Determine an interval for the lives of the batteries that will be true for at least 80% of the batteries. (Hint: First compute the Z-score.)
Correct Answer:
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a.56%
b.75%
c.60 + (2.236)(4)....View Answer
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Correct Answer:
Verified
b.75%
c.60 + (2.236)(4)....
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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