Emily kicked the ball in 1 straight direction , it went 10 ft reversed direction and come back to her , how is this possible ? she accidentally kicked a boomerang
she kick it up
it isn't
she kick it left to the wall

She kicked it up

Step-by-step explanation:

How is this math?

I believe your answer is B.) She kicked it up. Think about it, if she kicks it straight up, it goes up ten feet, and then it comes back down (Revered direction) to her.

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