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 26 and 74
A. At least 96%
B. At least 94%
C. At least 90%
D. At least 93%
Answer: B
Mathematics
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Solve the system of equations
?
Round your answers to two decimal places.
?
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics
Solve the problem.A female tiger had 4 cubs. They weigh 2
, 2
, 3
, 4
pounds, respectively. What was the mean weight of a cub?
A. 2
pounds
B. 3
pounds
C. 2
pounds
D. 
pound
Mathematics
Use the Binomial Theorem to expand the binomial and express the result in simplified form.(5x + 3)3
A. 25x2 + 30x + 9 B. 125x3 + 225x2 + 225x + 27 C. 125x3 + 225x2 + 135x + 27 D. 25x6 + 15x3 + 729
Mathematics
Solve by factoring.x2 + 108 = 21x
A. {9, 12} B. {1, 108} C. {-9, -12} D. {-108, -1}
Mathematics