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Two coins are tossed. What is the probab...

Two coins are tossed. What is the probability of getting 2 heads if it is known that at least one head comes up?

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MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. A family has two children. What is the probability that both the child...

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  2. If there are two children in a family,find the probability that there ...

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  3. Two coins are tossed. What is the probability of getting 2 heads if it...

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  4. In a school, there are 1000 students, out of which 430 are girls. It i...

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

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  6. Given that the two numbers appearing on throwing two dice are differen...

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  7. Assume that each born child is equally likely to be a boy or a girl. I...

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  8. Assume that each born child is equally likely to be a boy or a girl. I...

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  9. Let E and F be events with P(E)=3/5, P(F)=3/10 and P (E cap F)=1/5. Ar...

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  10. Two events E and F are such that: P(E)=0.6, P(F)=0.2 and P(EuuF)=0.68....

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  11. A die marked 1, 2, 3 in red and 4, 5, 6 in green is tossed. Let A be t...

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  12. Let A and B be independent events with P(A) = 0.3 and P(B) = 0.4 Find:...

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  13. Let A and B be independent events with P(A) = 0.3 and P(B) = 0.4 Find:...

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  14. Let A and B be independent events with P(A) = 0.3 and P(B) = 0.4 Find:...

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  15. Let A and B be independent events with P(A) = 0.3 and P(B) = 0.4 Find:...

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  16. If P(A)=(1)/(2),P(B)=(7)/(12)p ( not A or not B)= (1)/(4) State whe...

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  17. If A and B are two events such that P(A)=1/4, P(B)=1/3 and P(AuuB)=1/2...

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  18. Given two independent events A and B such that P(A) = 0.3, and P(B) =...

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  19. Given two independent events A and B such that P(A) = 0.3, and P(B) =...

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  20. Given two independent events A and B such that P(A) = 0.3, and P(B) =...

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