Question

jacob has golf scores of 120, 112, 130, 128, and 124. he wants an average golf score of 118. what is the first step in determining what jacob needs to score in his next golf game?

Answer 1

He needs to set up the equation 1/2(120+112+130+128+124+x)=118 and then solve that to find the score he needs to get.

Answer 2

To know his new goal: to score 94 points

Explanation:

The sum of all his scores divided by the amount of golf scores will result in the Mean. He has 5 scores, but He wants a sixth score with a mean of 118 was given.

`\bar x=(x_(1)+x_(2)+x_(3)+x_(5)+x_(6))/(6)`

118=\frac{120+112+130+124+128+x_{6}}{6}\\708=614+x_6\\x_6=94

To know his new goal: to score 94 points