Provide an appropriate response.The probability distribution for the random variable X is: What is the expected value of X?

A. 0.62
B. 0.26
C. 0.22
D. 0.50


Answer: A

Mathematics

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Provide an appropriate response.The product of the numerator of one fraction times the denominator of the other fraction of a proportion is called a:

A. proportion B. ratio C. equation D. cross product

Mathematics

Rewrite the expression in terms of log(2) and log(5).log(1000)

A. 4 log(2) + 3 log(5) B. (3 log(2))(3 log(5)) C. 3 log(2) + 3 log(5) D. 3 log(2) - 3 log(5)

Mathematics

Find the intercepts of the quadratic function.f(x) = (x + 3)2 - 9

A. x-intercepts: (0, 0) and (-6, 0) y-intercept: (0, 0) B. x-intercepts: (0, 0)  y-intercept: (0, 0) C. x-intercepts: (0, 0) and (-6, 0) y-intercept: (0, -9) D. x-intercepts: (0, 0) and (6, 0) y-intercept: (0, 0)

Mathematics

The table below represents a linear function. One value is missing in the table. Write the slope-intercept form of f.

A. f(x) = -10x + 39 B. f(x) = 5x - 26 C. f(x) = -5x + 13 D. f(x) = -6x + 26

Mathematics