a)
To explain: Whether the provided situation is a problem of combination or permutation.
It is a problem of combination rule.
Given information:
4 out of 30 employees are being selected as employees of the month by an employer.
Concept used:
There are two types of rules that are applied to do the selection of items. These are:
- Combination rule: It is a rule that is applied when the order is not a matter of concern for the selection of items.
- Combination rule: It is a rule that is applied when the order is a matter of concern for the selection of items.
Explanation:
In this case, it is given that 4 out of 30 employees are being selected as employees of the month by an employer. Here, order of the employees in not of concern.
Hence, the provided problem is a situation of combination.
b)
To find: The different possible selections.
The number of selections is 220.
Calculation:
The number of selections could be calculated as:
The required number of selections is 220.
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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