In your biology class, your final grade is based on several things: a lab score, score 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 30% of your total grade, each major test is worth 22.5%, and the final exam is worth 25%. Compute the weighted average for the following scores: 95 on the lab, 84 on the first major test, 91 on the second major test, and 82 on the final exam. Round your answer to the nearest hundredth. 87.72 88.37 O 84.47 91.62 O 86.80 A

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