1.

1500 families with 2 children were selected randomly, and the following data were recorded:Number of girls in a family210Number of families300500700Compute the probability of a family chosen at random having 2 girls.

Answer»

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


Number of girls in a family210Number of families300500700


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





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