26. The game of craps is played as follows: A player rolls two dice. If the sum of the dice is either a 2, 3, or 12, the player loses; if the sum is either a 7 or an 11, the player wins. If the outcome is anything else, the player continues to roll the dice until she rolls either the initial outcome or a 7. If the 7 comes first, the player loses, whereas if the initial outcome reoccurs before the 7 appears, the player wins. Compute the probability of a player winning at craps. Hint: Let E, denote the event that the initial outcome is 12 i and the player wins. The desired probability is ΣP(E;). i=2 To compute P(E;), define the events Ein to be the event that the initial sum is i and the player wins on the nth roll. 8 Argue that P(E;) = Σ P(Ein). n=1
26. The game of craps is played as follows: A player rolls two dice. If the sum of the dice is either a 2, 3, or 12, the player loses; if the sum is either a 7 or an 11, the player wins. If the outcome is anything else, the player continues to roll the dice until she rolls either the initial outcome or a 7. If the 7 comes first, the player loses, whereas if the initial outcome reoccurs before the 7 appears, the player wins. Compute the probability of a player winning at craps. Hint: Let E, denote the event that the initial outcome is 12 i and the player wins. The desired probability is ΣP(E;). i=2 To compute P(E;), define the events Ein to be the event that the initial sum is i and the player wins on the nth roll. 8 Argue that P(E;) = Σ P(Ein). n=1
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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