For a certain 6-sided die, the probabilities or rolling a 1, 2, 3, 4, 5, or 6 are in the respective ratios 1:3:6:10:15:21. Two such dice are rolled. What is the probability that their sum is a prime number?

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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For a certain 6-sided die, the probabilities or rolling
a 1, 2, 3, 4, 5, or 6 are in the respective ratios 1:3:6:10:15:21.
Two such dice are rolled.
What is the probability that their sum is a prime number?
Transcribed Image Text:For a certain 6-sided die, the probabilities or rolling a 1, 2, 3, 4, 5, or 6 are in the respective ratios 1:3:6:10:15:21. Two such dice are rolled. What is the probability that their sum is a prime number?
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