Math, asked by fairozfairoz678, 1 year ago

1500 family with 2 children were selected randomly and the following date were recorded number of girls in a family 0for 475 number of families 1 814 2 211

lakotialavanya: Wrong que

Answers

Answered by SuryaDevil1290

0

Step-by-step explanation:

) Number of families having 2 girls =475

Total families =475+814+211=1500

P(2 girls) =

Total families

475

=

1500

475

=

60

19

(ii) P(1 girl)=

1500

814

=

750

407

(iii) P(No girl) =

1500

211

Sum of all these probabilities

=

60

19

+

750

407

+

1500

211

=

1500

475+814+211

=

1500

1500

=1

Sum of these probabilities =1

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