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Calculate the following questions. 1. 1500 …

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Calculate the following questions. 1. 1500 families with 2 children were selected randomly, and the following data were recorded. Number of girls in a family | 2 | 1| 0 | Number of families | 475 | 814 | 211 | Compute the probability of a family chosen at random, having (1) 2 girl. (2) 1 girl (3) No girl.

Posted by Arun Kushwah 5 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Seth 5 years ago

Total number of families
= 475 + 814 + 211 = 1500
(i) Probability of a family, chosen at random,

having 2 girls =

(ii) Probability of a family, chosen at random,

having 1 girl

(iii) Probability of a family, chosen at random,

having no girl

Sum of these probabilities

Hence, the sum is checked.

0Thank You

ANSWER

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