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ANSWER ASAP

1.) Suppose that 500 tickets are sold at $1.00 each for a raffle that has the following prizes: One $200 prize, Two $50 prizes, and Twenty $2 prizes. What is the expected value of a single ticket?

2.)Suppose that 10 tickets are sold for $10 each, there is one grade prize of $70. What is the expected value of a single ticket?