1500 families with 2 children were selected randomly and the following data were recorded-Number of girls in a family 01 24 Number of families 211 - 1 47-If a family is chosen at random- compute the probability that it has-i No girlii 1 girliii 2 girlsiv at most one girlv more girls than boys

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Probability

1500 families...

Question

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

Number of girls in a family 0 1 2

Number of families 211 814 475

If a family is chosen at random, compute the probability that it has:
(i) No girl
(ii) 1 girl
(iii) 2 girls
(iv) at most one girl
(v) more girls than boys

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1500 families with 2 chidren were selected randomly and the following data were recorded :

\(\begin{array}{|c|c|c|c|}\hline

\text{Number of girls in a family} & 0 & 1 & 2\\\hline

\text{Number of families} & 211 & 814 & 475 \\\hline

\end{array}\)

If a family is chosen at reandam, copute4 the probability that it has :

(i) No girl (ii) I girl (iii) 2 girls (iv) at most one girl (v) more girls then boys [NCERT]

1500

2

No. of girls in a family	$2$	$1$	$0$
No. of families	$475$	$814$	$211$

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

$\begin{matrix} Number of girls in a family & 2 & 1 & 0 Number of families & 300 & 500 & 700 \end{matrix}$

Compute the probability of a family chosen at random having 2 girls.

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

(i) 2 girls (ii) 1 girl (iii) No girl

Also check whether the sum of these probabilities is 1.

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