In your biology class, your final grade is based on several things: a lab score,
ID: 3047600 • Letter: I
Question
In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 22% of your total grade, each major test is worth 21.5%, and the final exam is worth 35%. Compute the weighted average for the following scores: 88 on the lab, 100 on the first major test, 82 on the second major test, and 99 on the final exam. (Enter your answer to one decimal place.)
Explanation / Answer
Lab score = 88 : weight = 22%
first major test = 100 : weight =21.5%
second major test = 82 : weight= 21.5%
Final exam = 99 : weight = 35%
weighted average = ? weights * scores of allthe components
= 22%*88 + 21.5% * 100 + 21.5% * 82 + 35%* 99
=21+21.5+20.925+35
= 98.425
~98.4