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15) In a spinner there are 5 partitions, if you spin the dial and it stops...

15) In a spinner there are 5 partitions, if you spin the dial and it stops on the first one you win $40, on the second one you win $10, on the third one you have to pay $10, on the fourth one you pay $15 and on the fifth one you have to pay $20. The dial has equal chance to stop at any partition. The dial has equal chance to stop at any partition. What will be the expected gain for the player?

A) $4.00 B) $3.00 C) $2.00 D) $1.00

Math   Statistics-And-Probability   
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