Smallfryz Smallfryz

05-05-2016
Mathematics

contestada

In a sample of 75 randomly selected students at school, 32 are female. There are 1, 371 students in the school. Using these results, predict the number of females in the school.
a: 275
b: 343
c: 585
d: 686

Respuesta :

RubikTheMan RubikTheMan

05-05-2016

c: 585, You divide 1371 by 75, and multiply that by 32, then round up. 1371 is proportional to 75 and x is proportional to 32.

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