Lesson 6.11
Bill is playing a game of chance with the following payout. 30% of the time you will lose 20 dollars, 20% of
the time you lose 40 dollars, 10% of the time you win 50 dollars, 40% of the time you win 5 dollars. Find the
expected value of the event and explain if Bill should play this game based on the mathematical expectation.

Bill should not play he Is bound to lose more money (-20)(0.3)+(-40)(0.2)+(50)(0.1)+(5)(0.4) = -7

Step-by-step explanation: 30% you of time you will lose 20 dollars

20% of time you will lose 40 dollars

10% of time you will win 50 dollars

40% of the time you will win 5 dollars

examine the two-step equation.

−  

7

4

+  

x

4

= 2

which property of operations allows you to add the same constant term to both sides?

multiplication property of equality

division property of equality

addition property of equality

subtraction property of equality

step-by-step explanation:

g

step-by-step explanation: