Tina is finding the quotient of. is she correct? if not, what changes should be made?

For this case, we must find the quotient of

divided by, to verify if Tina was correct.

So:

So, Tina was wrong, she had to divide by 3x.

Option B

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

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