please help me to find out the answer please give me full explanation that I can write it in my notebook
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Step-by-step explanation:
(i) Number of families having 2 girls =475
Total families =475+814+211=1500
P(2 girls) =Total families475
=1500475=6019
(ii) P(1 girl)=1500814=750407
(iii) P(No girl) =1500211
Sum of all these probabilities
=6019+750407+1500211
=1500475+814+211
=15001500=1
Sum of these probabilities =1
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sum of all these probabilities is equal to 1
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