Tondagbochina
Tondagbochina Tondagbochina
  • 04-01-2020
  • Mathematics
contestada

The mean score of three students is 9. If the modal score is 11, find the lowest mark.

Respuesta :

samtougas24601
samtougas24601 samtougas24601
  • 04-01-2020

Answer:

The lowest mark should be 5.

Step-by-step explanation:

If the modal score is 11 and there are three marks we're comparing, that means 11 must appear twice as a score. To get a mean/average of 9 from three scores, all the scores must add up to 27. 11+11=22, so the final mark should be 5.

11+11+5=27

27/3=9

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