2. 1500 famil. ies wuh 2 children were sekcted randomly, and the following data were recorded: •Number of girls in a family 2 1 0Num_ber of families 475 814 211Compute the probability of a family, • chosen at random,havingwww .cbsepdf .com232 1\11ATHEMATICS-IX(i) 2 girls (ii) 1 girl (iii ) No girL Also check whether the sum of these probabilities is 1.

Harshit Singh , 4 Years ago

Grade 12th pass