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An urn contains 7 red and 4 blue balls. ...

An urn contains 7 red and 4 blue balls. Two balls are drawn at random with replacement. Find the probability of getting
one red and one blue ball.

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PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. An urn contains 7 red and 4 blue balls. Two balls are drawn at random ...

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  2. An urn contains 7 red and 4 blue balls. Two balls are drawn at random ...

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  3. An urn contains 7 red and 4 blue balls. Two balls are drawn at random ...

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  4. A husband and his wife appear for an interview for two parts. The prob...

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  5. A husband and his wife appear for an interview for two parts. The prob...

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  6. A husband and his wife appear for an interview for two parts. The prob...

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  7. In a family, the husband tells in a lie in 30% cases and the wife in 3...

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  8. A speaks truth in 75% of the cases. While B in 90% of the cases. In wh...

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  9. Three cards are drawn with replacement from a well shuffled pack of ca...

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  10. From a pack of 52 cards, 3 cards are drawn at random. Find the probabi...

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  11. A problem in satistics is given to three students whose chances of so...

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  12. Two cards are drawn from a well shuffled of 52 cards. One after anothe...

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  13. A and B appeared for an interview for two posts. Probability of A sele...

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  14. Ramesh appears for an interview for two posts A and B for which select...

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  15. Tickets are numbered from 1 to 10. two tickets are drawn one after the...

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  16. A die is thrown twice and the sum of the numbers appearing is observed...

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  17. If a dice is thrown 3 times in succession. What is the probability tha...

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  18. If a dice is thrown 3 times in succession. What is the probability tha...

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  19. What is the chance of throwing an ace in only in first of two successi...

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  20. In a thrown of three dice, find the probability that atleast one dice ...

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