Keisha is playing a game in which she spins a spinner with 6 equal-sized slices numbered 1 through 6. The spinner stops on a numbered slice at random. This game is this: Keisha spins the spinner once. She wins $1 if the spinner stops on the number 1, $3 if the spinner stops on the number 2, $5 if the spinner stops on the number 3, and $7 if the spinner stops on the number 4. She loses $1.25 if the spinner stops on 5 or 6. (a) Find the expected value of playing the game. I dollars (b) What can Keisha expect in the long run, after playing the game many times? O Keisha can expect to gain money. She can expect to win dollars per spin. O Keisha can expect to lose money. She can expect to lose| dollars per spin. O Keisha can expect to break even (neither gain nor lose money).
Keisha is playing a game in which she spins a spinner with 6 equal-sized slices numbered 1 through 6. The spinner stops on a numbered slice at random. This game is this: Keisha spins the spinner once. She wins $1 if the spinner stops on the number 1, $3 if the spinner stops on the number 2, $5 if the spinner stops on the number 3, and $7 if the spinner stops on the number 4. She loses $1.25 if the spinner stops on 5 or 6. (a) Find the expected value of playing the game. I dollars (b) What can Keisha expect in the long run, after playing the game many times? O Keisha can expect to gain money. She can expect to win dollars per spin. O Keisha can expect to lose money. She can expect to lose| dollars per spin. O Keisha can expect to break even (neither gain nor lose money).
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 61E: Roulette American roulette is a game in which a wheel turns on a spindle and is divided into 38...
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Transcribed Image Text:Keisha is playing a game in which she spins a spinner with 6 equal-sized slices numbered 1 through 6. The spinner stops on a numbered slice at random.
This game is this: Keisha spins the spinner once. She wins $1 if the spinner stops on the number 1, $3 if the spinner stops on the number 2, $5 if the spinner
stops on the number 3, and $7 if the spinner stops on the number 4. She loses $1.25 if the spinner stops on 5 or 6.
(a) Find the expected value of playing the game.
| dollars
(b) What can Keisha expect in the long run, after playing the game many times?
O Keisha can expect to gain money.
She can expect to win dollars per spin.
O Keisha can expect to lose money.
She can expect to lose dollars per spin.
O Keisha can expect to break even (neither gain nor lose money).
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