A school is holding a Fixed Raffle where only a certain numb
A school is holding a Fixed Raffle, where only a certain number of raffle tickets can be sold. The school sold 120 of these tickets for $5 each.One of the tickets will win $720.00, two tickets will win $240.00, and 5 tickets will win $120.00.
What is the expected value of each of these tickets for the people that purchase one ticket? $--------------
Round to the nearest penny and if the value is negative, put that into the box also.
Solution
Consider the table:
Thus,
E(x) = $10.00 [ANSWER]
| x (Profit) | P(x) | x P(x) |
| -5 | 0.933333 | -4.66667 |
| 715 | 0.008333 | 5.958333 |
| 235 | 0.016667 | 3.916667 |
| 115 | 0.041667 | 4.791667 |
