Question

in a society, 8 children out of 30 did not participate in the campaign 'save energy'. find the probability that a child selected at random: (i) Participated in the campaign. (ii) did not participated in the campaign. which values of children, those participating are depicated here ?

Answer 1

probability of children participated in campaign=24/30=12/15

not participating in campaign=8/30 = 4/15

hope this was helpful.

Answer 2

Answer : $\bold{1) 11/15. (2) 4/15}$



Explanation -


Given :

8 children out of 30 didn't Participate in the campaign.



Finding Number of children who participated in campaign -


Total children = 30

Children Participate in campaign = 30 - 8 = 22

So, Number of children who Participated = 22.



1)

Finding the Probability that a child participate in campaign -


Probability = 22/30 = 11/15



2)

Finding the Probability that a child did not participate in campaign -


Probability = 8/30 = 4/15.