Question

class consists of 21 boys and 9 girls. A student is to be selected for social work. Find the

probability that (i) a girl is selected (ii) a boy is selected.​

Answer 1

hope this helps

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Answer 2

Answer:

Boys = 21

Girls = 9

Total = 30

Step-by-step explanation:

Now,

i) probability that a girl is selected =

$\frac{9}{30} \times 100 = 30 \%$

ii

ii)) probability that a boy is selected =

$\frac{21}{30} \times 100 = 70\%$