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The math club intends to hold a raffle, in which tickets costing $1 are sold and the winner receives a graphing calculator valued at $140.

The math club intends to hold a raffle, in which tickets costing $1 are sold and the winner receives a graphing calculator valued at $140. Compute the expected value to a ticket buyer if (a) 100 tickets are sold and (b) 200 tickets are sold

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