Question
A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 15000 tickets are sold at 50cents each, find the expected winnings for a person buying 1 ticket.
Answers
Steve
1/15000 (1000 + 2*300 + 20*10) = 3/25
demagorgan
.12
Brandon
In provincial park, 200 foxes are tagged. In 100 sighting, 14 were tagged . Estimate the size of the fox population.