1. Suppose we have a six-sided die that we roll once. Let ai represent the event that the result is i. Let Bj represent the event that the dice comes out greater than j. Let C represent the event that the result is an even number. a) Since the number is greater than 1, what is the conditional probability that 3 is obtained? (P[A3|B1]) b) Since the number is greater than 3, what is the conditional probability that 6 is obtained? c) Since the result is an even number, what is the conditional probability of a number greater than 3? (ie P[B3|C]) d) Since the number is greater than 3, what is the conditional probability of an even number?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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1. Suppose we have a six-sided die that we roll once. Let ai represent the event that the result is i. Let Bj represent the event that the dice comes out greater than j. Let C represent the event that the result is an even number.

a) Since the number is greater than 1, what is the conditional probability that 3 is obtained? (P[A3|B1])

 

b) Since the number is greater than 3, what is the conditional probability that 6 is obtained?

 

c) Since the result is an even number, what is the conditional probability of a number greater than 3? (ie P[B3|C])

 

d) Since the number is greater than 3, what is the conditional probability of an even number?

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