
Concept explainers
(a)
To find: The probability of sum of the numbers showing is
(a)

Answer to Problem 7WE
The probability of sum of the numbers is
Explanation of Solution
Given information:
The given information isthetwo dice are rolled.
Calculation:
When two dice are rolled the number of possible outcomes is
The
Therefore, the probability of sum of the numbers is
(b)
To find: The probability of either the sum of the numbers showing is
(b)

Answer to Problem 7WE
The probability of either the sum of the numbers showing is
Explanation of Solution
Given information:
The given information is the two dice are rolled.
Calculation:
The sample space of the given event is
Therefore,
Chapter 15 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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