Expected Value

What is the probability of winning in a game of chance?

• 50% chance of winning

• It depends on the specific game and its rules.

• 100% chance of winning

• 0% chance of winning

How do you calculate the expected value in a game?

• By multiplying each possible outcome by its probability and then summing up all the products.

• By dividing the probability of each outcome by the total number of outcomes

• By subtracting the probability from each possible outcome

• By adding all the possible outcomes together

What is the probability of losing in a game of chance?

• 50%

• Depends on the specific game

• 100%

• 0%

How do you calculate the odds of winning in a game?

• By counting the number of players

• By flipping a coin

• By guessing

• By dividing the number of favorable outcomes by the total number of possible outcomes.

In a game with a 1/6 chance of winning $10 and a 5/6 chance of losing $5, what is the expected value?

• -$2

• -$10

• $5

• -$2.50

If the probability of winning in a game is 1/4, what are the odds of losing ?

• 1/4

• 1/2

• 3/4

• 1/5

If the probability of losing in a game is 3/5, what is the P(winning )?

• 1/4

• 2/3

• 2/5

• 5/3

In a game with a 1/3 chance of winning $20 and a 2/3 chance of losing $10, what is the expected value?

• Expected value is $0

• Expected value is $5

• Expected value is $20

• Expected value is $10

Alice's Mom plans to give her $ 15 if she pulls out a red card from a standard deck of 52cards.Alice's Dad plans to give her $3 for each dot that she rolls on a die. Who has the higher expected value and by how much ?

• Dad's plan by $ 3.50

• Mom's plan by $7.50

• Dad's Plan by $ 4

• Mom'plan by $ 4

Tags

CCSS.8.EE.C.7B

If the probability of losing in a game is 2/5, and every time the team loses they pay $1 to their coach . But if they win the coach is willing to spend $50 on the team. What is the expected value of their next game ?

• $29.60

• $47

• $26.90

• • -$ 29.60