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1000 families with 2 children were se...

1000 families with 2 children were selected randomly, and the following data were recorded: `N u m b e r\ of\ boy s\ in\ a\ fa m i l y :` `0` `1` `2` `N u m b e r\ of\ fa m i l i e s :` `140` `560` `300` If a family is chosen at random, find the probability that it has (i) No boy (ii) one boy (iii) 2 boys (iv) at least one boy (v) at most one boy

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1000 families with 2 children were selected randomly and the following data were recorded. |{:("Number of boys in a family"," 0 1 2"),("Number of families"," 140 560 300"):}| If a family is chosen at random, find the probability that it has (i) no boy (ii) one boy (iii) two boys (iv) at least one boy (v) at most one boy.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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