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There are 288 boys & 432 girls in a school. How many boys would be in a sample of 50 from the school? ​
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There are 288 boys & 432 girls in a school. How many boys would be in a sample of 50 from the school? ​

User Qlimax
by
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1 Answer

4 votes

Answer:

20

Explanation:

First we calculate the percentage of boys


P_B = (288)/(288+432) = (288)/(720) = 0.4 => 40\% \ $of all students are male.\\$S(50b) = 0.4 \cdot 50 = 20

User Tanvir Nayem
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