Provide an appropriate response.
-Consider the following counting problem. How many different sequences of 3 letters can be formed using the letters a, b, c, d, e if repetition is allowed?
To solve this problem which of the following rules would you use?
A)Both the permutations rule and the fundamental counting principle
B)The permutations rule only
C)The fundamental counting principle only
D)The combinations rule only

Question

Quizplus · Accepted Answer

The fundamental counting principle is used here because for each position in the sequence (3 positions in total), any of the 5 letters can be chosen, allowing for repetition.

Provide an Appropriate Response