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11 March, 19:27

In DeShawn's statistics class there were three exams. The first was worth 20% of the course grade and DeShawn scored 90. The second was worth 30% and DeShawn scored 80. The third was worth 50% and DeShawn scored 100. What was the weighted mean of DeShawn's exam scores for his course grade?

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  1. 11 March, 20:36
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    Weighted mean of DeShawn's exam scores for his course grade=92%

    Step-by-step explanation:

    Given that in DeShawn's statistics class there were three exams. The first was worth 20% of the course grade and DeShawn scored 90. The second was worth 30% and DeShawn scored 80. The third was worth 50% and DeShawn scored 100.

    To find out weight average score of De Shawn

    Test Scores Worth ProductI

    I 90 0.2 18

    2 80 0.3 24

    3 100 0.5 50

    Total 92

    Weighted mean of DeShawn's exam scores for his course grade=92%
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