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A student's marks in five tests are 36%, 78%, 67%, 88% and 98%. The weights for the five tests are 1, 2, 2, 3,3 respectively.

A student's marks in five tests are 36%, 78%, 67%, 88% and 98%. The weights for the five tests are 1, 2, 2, 3,3 respectively. Find the weighted mean of the five tests. O 9.95 O 0.90 0 1.50 O 0.80

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