Josiah takes a multiple-choice quiz that has three questions. Each question has five answer options. If he randomly chooses his
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
The expression that we have in this problem is
First of all, we proceed by evaluating the power of the term in the brackets. We apply the rule:
So
Moreover, we have
Therefore,
So now the expression is
Now we apply the following rule:
So we have
Therefore, our expression becomes:
82
Explanation
the average is calculated by dividing the sum of the values in the set by their number.
Step 1
Let
Step 2
apply the equation
so, the answer is 82