The following table shows the probability distribution for the prize amounts that will be awarded at a school raffle. Prize $1 $
5 $10 $20 $50 Probability 0.60 0.30 0.05 0.04 0.01 Let the random variable P represent a randomly selected prize amount. What is the expected value of P ? $1.00 A $3.90 B $4.00 C $10.00 D $17.20
Substitute x into the second equation: 3(6y-11)-2y=-1 18y-33-2y=-1 16y=32 y=2 Then put the y value into the first equation to get x: x=6(2)-11 x=1 There you go!