# math

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A cash prize of \$5000 is to be awarded at a fundraiser. If 2,500 tickets are sold at \$5 each, find the expected value if a person purchases just one ticket.

• math -

If you buy one ticket you have a 1/2500 chance of winning. Thus, you're expected value is 5000/25\$ = 2\$ return for your 5\$ ticket. So you get -\$3.

• math -

wow, it seems to me it is wrong.

• math -

It is Correct. Sorry I said it seemed wrong.

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