Math Final
Consider a game in which a player rolls one die. If an odd number comes up, the player wins the number of dollars showing on the die. If an even number comes up, the player loses the number of dollars showing on the die. Calculate the expected value for this game. Is the game fair? (Assume that there is no cost to play the game.)
-.5, not fair
10/nonface card
1/10
King/face card
1/3
Queen/Face card
1/3
What is the probability of getting either a heart or a king when drawing a single card from a deck of 52 cards? What is the probability that the card is either a heart or a king? four thirteenths
4/13
Specify the number of ways to perform the task described. Give your answers using P(n, r) or C(n, r) notation. Eighteen magazines are competing for four identical awards for excellence in journalism. No magazine can receive more than one award. The number of ways to perform the task is Upper C left parenthesis 18 comma 4 right parenthesisC(18,4).
C(18,4).