Math Problem Statement
If you draw a card with a value of four or less from a standard deck of cards, I will pay you $18 . If not, you pay me $9 . (Aces are considered the highest card in the deck.)
Step 2 of 2 : If you played this game 968 times how much would you expect to win or lose? Round your answer to two decimal places. Losses must be expressed as negative values.
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Expected Value
Card Games
Formulas
P(winning) = 12/52 = 3/13
P(losing) = 1 - P(winning) = 10/13
Expected Value (E(X)) = (P(winning) * Amount won) + (P(losing) * Amount lost)
Total expected value = Number of games * Expected value per game
Theorems
Law of Large Numbers
Suitable Grade Level
Grades 10-12
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