28-04-2016
Mathematics

contestada

In a sample of 50 randomly selected students at a school, 38 students eat breakfast every morning. There are 652 students in the school. using these results, predict the number of students that eat breakfast.
A. 76
B.123
C.247
D.496

Respuesta :

twvogels twvogels

28-04-2016

For the sample:
[tex]\frac{38}{50} = 0.76 = 76\%[/tex]

Applying this to the whole population:

[tex] 652 \times \frac {38}{50} = 495.52 [/tex]

Since we can't have "0.52 of a person" we roudn to the neares whole, or 496.

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