aubrey82 aubrey82

23-02-2020
Mathematics

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the mean mark got by 6 pupil's in a cat is 75.5 of them scored 83 73 71 67 and 69. what was the score of the sixth pupil?.what was the modal mark

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tolaosunrinde tolaosunrinde

23-02-2020

Answer: score if the sixth pupil is 90

Step-by-step explanation:

Mean mark-75.5

6pupil

83+73+71+67+69+x= 75.5

363+x=75.5×6

×=453-363

×=90

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