We appreciate your visit to Maria scored 72 97 and 82 on her first three math tests She wants to have a mean score of 82 for the quarter How. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
She need 77 points on her last test
How many points does she need on her last test
From the question, we have the following parameters that can be used in our computation:
First three = 72, 97, and 82
Mean = 82
Represent the last test with x
So, we have
Mean = Sum/Count
Substitute the known values in the above equation, so, we have the following representation
(72 + 97 + 82 + x)/4 = 82
This gives
251 + x = 328
So, we have
x = 77
Hence, the score is (b) 77
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