SOLUTION: jim has scores of 60,73,82, & 75. He wants to raise the mean to 75.

SOLUTION: jim has scores of 60,73,82, & 75. He wants to raise the mean to 75.

Algebra.Com

Question 709306: jim has scores of 60,73,82, & 75.
He wants to raise the mean to 75.
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
With this we can set it up as:
(60+73+82+75+x)/5 = 75
Multiply by 5:
60+73+82+75+x = 375
add like terms:
290+x=375
Subtract 290:
x=85
Make sense?
RJ
www.math-unlock.com
RELATED QUESTIONS
Solve the problem. Jim has gotten scores of 82 and 60 on his first two tests. What... (answered by ewatrrr)

Jim has gotten scores of 82 and 60 on his first two tests. What score must he get on his... (answered by ewatrrr)

After six biology tests, Ruben has a mean score of 73. What score does Ruben need on the... (answered by josgarithmetic,greenestamps)

I need help figuring out how to get the new grade by using the z score of the new mean.... (answered by Theo)

A statistics professor has just given a final examination in his statistical inference... (answered by Fombitz)

JIM HAS GOTTEN SCORES OF 60 AND 97 ON HIS FIRST TWO TESTS. WHAT SCORE MUST HE GET ON HIS... (answered by checkley75)

Consider the following test scores in a class of 34 students: 56, 60, 60, 61, 62, 63,... (answered by math_tutor2020)

The final grade in statistics of 80 student at AAMUSTED Mathematics level100 are recorded (answered by CPhill)

Rachel has taken three exams in English that were 75%, 92%, 88%. She wants the mean of... (answered by Sarah900)