Which of the following claims about the distribution of random variable R is best supported by the histogram?

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step-by-step explanation:

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb