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In a school there are 1000 students out of which 430 are girls. It is known that 10 % girls are studying in class XII. Find the probability of an event that randomly selected student studies in class XII given that selected student is girl.

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KUMAR PRAKASHAN-PROBABILITY-Textbook Illustrations for Practice Work
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  2. Ten cards numbered 1 to 10 are placed in a box, mixed up thoroughly an...

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  9. A die is thrown. If E is the event the number appearing is a multiple ...

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  10. An unbiased die is thrown twice. Let the event A be 'odd number on the...

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  11. Three coins are tossed simultaneously. Consider the event E 'three hea...

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  12. Prove that if E and F are independent events, then so are the events ...

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  13. If A and B are two independent events, then the probability of occurre...

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  14. A person has undertaken a construction job. The probabilities are 0.65...

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  15. Bag I contains 3 red and 4 black balls while another Bag II contains 5...

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  16. Given three identical boxes I, II and III, each containing two coins. ...

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