monica bowled three games. her scores were 175, 142, and 133. what was her mean, or average…

Explanation:

Step1: Recall mean - formula

The formula for the mean (average) of a set of numbers $x_1,x_2,\cdots,x_n$ is $\bar{x}=\frac{x_1 + x_2+\cdots+x_n}{n}$. Here $n = 3$, $x_1=175$, $x_2 = 142$, and $x_3=133$.

Step2: Calculate the sum of scores

$x_1+x_2+x_3=175 + 142+133=450$.

Step3: Calculate the mean

$\bar{x}=\frac{450}{3}=150$.

Answer:

150