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1500 families with 2 children were selected randomly, and the following data were recorded: 1 girl

Q2. 1500 families with 2 children were selected randomly, and the following data were recorded:

Compute the probability of a family, chosen at random, having

(ii) 1 girl

Answers (1)
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From the above question, the data that we can take is,

Total Number of families= 475+814+211 = 1500

Number of families having 1 girl in the family =814

We know:

Empirical (or experimental) probability P(E) of this event can be written as

P(Family, chosen at random has 1 girl) = 

\frac{Families\:with\: 1\: girl}{Total\:Number\: of \:families}

= 814/1500 = 407/1500

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