Homework Help: College Math

Posted by James on Saturday, December 1, 2012 at 12:47pm.

Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly drawn and prizes are awarded as follows: one prize of $1,000, twenty prizes of $50 and one hundred prizes of $20. What is the expected value of this raffle to you if you buy just one ticket? What is the expected value of this raffle if you buy all of the tickets?

College Math - drwls, Saturday, December 1, 2012 at 2:02pm
Compute the total prize money awarded. Just add them up. Looks like it's $4000.

That total is the expected value of the raffle.

1/1000 of that total is the expected value of a single ticket.
College Math - Mahanoor, Saturday, March 16, 2013 at 1:18pm
I don't know!

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