Answer: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