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 35 and 65
A. At least 89%
B. At least 84%
C. At least 86%
D. At least 80%
Answer: B
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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y, z) = xy - ln(z), P0(2, -2, 2)
A. 
(-4i - 4j + k)
B. 
(-4i + 4j - k)
C. 
(-4i + 4j - k)
D. 
(-4i + 4j - k)
Match the graph with its function using the x-intercepts.
A. y = x4 + 20x2 + 64 B. y = x4 - 20x2 + 64 C. y = x4 + 20x2 - 8 D. y = x4 - 20x2 + 8
Solve the problem.Wind speed varies in the first twenty meters above the ground. For a particular day, let 
compute the wind speed Win meters per second x meters above the ground. At what height is the wind speed 12 meters per second? Round results to the nearest hundredth.
A. 1.75 B. 1.88 C. 0.17 D. 5.75
Multiply.-8(0)
A. 0 B. -16 C. -8 D. 8