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Snezhnost [94]
3 years ago
8

Vanessa wants to earn an 85% grade in her Statistics class. She has one quiz left to take. On the first 4 quizzes, she received

a 84%, 92%, 83%, 78%. What must she score on the 5th quiz to get the 85% average grade she wants? *
Mathematics
1 answer:
grandymaker [24]3 years ago
6 0

Answer: They would have to score an 88%

Step-by-step explanation:

1.) The mean of 84, 92, 83, and 78 is 337

2.) 337 divided by 4 is 84.25%

3.) If you add 88 to 337 and divide by 5, you get 85%

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