Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = ln (x4 + y7 + z7)
A. F = 
ln ( y7 + z7)i + 
ln (x4 + z7)j + 
ln ( x4 + y7)k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Mathematics
Solve.
x = 216
A. - 
B. 
C. -3
D. 3
Mathematics
Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Write the fraction or mixed number as a percent.
A. 1
%
B. 7
%
C. 13
%
D. 75%
Mathematics