Use Chebyshev's theorem to solve the problem.In a certain distribution of numbers, the mean is 50 and the standard deviation is 6. What can you say about the percentage of numbers that lie between 29 and 71?
A. at least 91.8%
B. at most 8.2%
C. at least 71.4%
D. at most 28.6%
Answer: A
Mathematics
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A. 4
B. 1
C. 2
D. 
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Perform the indicated operation. 
÷ 10
A. 
B. 
C. 
D. 
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Simplify (2x2 + 2x - 12) / (x - 2)
a. 2X+6 b. 2X+ c. 4X+12
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