Select five cards without replacement from a standard deck of 52, and let X be the number of red cards you draw. Calculate the expected value of the given random variable X.
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Fill in the blank(s) with the appropriate word(s).
2.5
Mathematics
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The graph of a function f is given. Use the graph to answer the question.For which of the following values of x does f(x) = 60?
A. 60 B. -100 C. 0 D. 160
Mathematics
Perform the indicated operations and simplify.
A. - 
B. Undefined
C. - 
D. - 
Mathematics
Solve the equation.x - 4 = 17
A. -13 B. -21 C. 21 D. 13
Mathematics
Construct the indicated stem-and-leaf.The following data show the number of laps run by each participant in a marathon.46 65 55 43 51 48 57 30 43 49 32 56
A.
B.
Mathematics