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In a Certain Distribution, the Mean Is 50 with a Standard

Question 69

Multiple Choice

In a certain distribution, the mean is 50 with a standard deviation of 6 . Use Chebyshev's theorem to tell the probabilitythat a number lies in the following interval. Round your results to the nearest whole percent.
-Between 20 and 80


A) At least 96%96 \%
B) At least 94%94 \%
C) At least 98%98 \%
D) At least 99%99 \%

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