statistics

posted by .

A friend offers you the following game: You will roll 2 fair dice. If the sum of the two numbers obtained is 2,3,4,9,10,11,or 12 the friend will pay you $20. However, if the sum of the two numbers is 5, 6,7, or 8, you pay your friend $20. This friend points out to you that there are 7 winning numbers and 4 losing numbers. What is the expected value of this game? Is this a fair game to you?

  • statistics -

    -2.22

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    Suppose you play a game in which two fair standard dice are rolled. If the numbers showing on the dice are different, you lose $2. If the numbers showing are the same, you win $2 plus the dollar value of the sum of dice. Complete the …
  2. Statistics

    For a math assignment we need to design a dice roll game with different expected values of winning. The game should require a player to make a bet on the sum of one roll of two dice. If the dice sum to that number, the player wins; …
  3. Please can you help me (Probability)

    Maria is playing a game of chance at the Hibiscus festival, costing $1 for each game. In the game two fair dice are rolled and the sum of the numbers that turn up is found. If the sum is seven, then Maria wins $5. Otherwise Maria loses …
  4. Math

    You and a friend roll a pair of dice. The game is over either when you receive a sum of nine or when your friend receives a sum of six. Assume that you start first. What is the probability that you win. Note: For any round, if you …
  5. Statistics

    Two dice are tossed. What is the probability that the sum of both dice is a prime number?
  6. help please

    Two six sided dice were rolled, and a friend tells us that the numbers that came up were identical. Find the probability that the sum of the numbers was as follows: a) 4 b) 11 c) an even number d) an odd number
  7. Statistics

    In a game you roll two fair dice. If the sum of the two numbers obtained is 3,4,9,10 or 11 you win $20. If the sum is 5,6,7 or 8 you pay $20. However if the scores on the dice are the same no one is required to pay. (a) Construct a …
  8. Math

    At this year's State Fair, there was a dice rolling game. If you rolled two dice and got a sum of 2 or 12, you won $20. If you rolled a 7,you won $5. Any other roll was a loss. It cost $3 to play one game with one roll of the dice. …
  9. math

    If two dice are rolled and their faces noted, find each of the following probabilities: a) the sum of the two dice is 8 b) both dice show even numbers c) the sum of the two dice is 8 OR both dice show even numbers d) the sum of the …
  10. math

    A game is defined by the rules that two dice are rolled and the  player wins varying amounts depending on the sum of the two dice rolled based  on the following table: Sum 2 3 4 5 6 7 8 9 10 11 12 Winnings …

More Similar Questions