Answered

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Suppose 20 students delegates will attend the conference. Each school should be represented fairly in relation to it's population. How many should be selected in each school?

Sagot :

Parrain

Answer:

To find out the number coming from each school, you need to use the proportion of the school's population out of the population of all three.

Total population = 618 + 378 + 204

= 1,200 students

North Middle school:

= 618/1,200 * 20

= 10 students

Central Middle School:

= 378 / 1,200 * 20

= 6 students

South Middle School:

= 204/1,200 * 20

= 4 students

View image Parrain
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