In a certain distribution, the mean is 50 with a standard deviation of 6. Use Chebyshev's theorem to tell the probability that a number lies in the following interval. Round your results to the nearest whole percent.Between 20 and 80
A. At least 99%
B. At least 96%
C. At least 98%
D. At least 94%
Answer: B
Mathematics
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Write the binomial expansion of the expression.
3
A. 
x6 + 
x3 + 125
B. 
x3 + 
x2 + 125
C. 
x3 + 
x2 + 25x + 125
D. 
x3 + 
x2 + 25x + 125
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Express as a sum of logarithms.logx 4yz
A. (logx 4)(logx y)(logx z) B. logx (4 + y + z) C. logx 4 + logx y + logx z D. log4 y + log4 z
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True or false? The ordered triple listed is a solution of the system.(4, 2, 0) x - y + 2z = 65x + z = 4 x + 3y + z = 10
A. True B. False
Mathematics