SOLUTION: a students mean scores in his 1st semester examination was 65% while his mean scores in the 2nd semester examination was 70%. if the 2nd semester result is given twice as much weig
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Question 1044396: a students mean scores in his 1st semester examination was 65% while his mean scores in the 2nd semester examination was 70%. if the 2nd semester result is given twice as much weight as that of 1st semester, the overall mean score is Answer by Boreal(15235) (Show Source):
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65
70
70
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205
divide by 3 and it is 68.3.
When it is given twice as much weight, add it twice.
