One option in a roulette game is to bet $13on red. ​ (There are 18 red​ compartments, 18 black​ compartments, and two compartments that are neither red nor​ black.) If the ball lands on​ red, you get to keep the $13 you paid to play the game and you are awarded $13. If the ball lands​ elsewhere, you are awarded nothing and the $13 that you bet is collected. Find the expected payback for this roulette game if you bet $13 on red.   The expected payback is ___.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 92CR
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One option in a roulette game is to bet $13on red. ​ (There are 18 red​ compartments, 18 black​ compartments, and two compartments that are neither red nor​ black.) If the ball lands on​ red, you get to keep the $13 you paid to play the game and you are awarded $13. If the ball lands​ elsewhere, you are awarded nothing and the $13 that you bet is collected. Find the expected payback for this roulette game if you bet $13 on red.
 
The expected payback is ___.
 
.
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