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In an entrance test that is graded on th...

In an entrance test that is graded on the basis of two examinations, the probability of a randomly chosen student passing the first examination is 0.8 and the probability of passing the second examination is 0.7. The probability of passing at least one of them is 0.95. What is the probability of passing both?

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In an entrance test that is graded on the basis of two examinations,the probability of a randomly chosen student passing the first examination is 0.8 and the probability of passing the second examination is 0.7.7 .The probability of passing atleast one of them is 0.95. What is the probability of passing both?

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MODERN PUBLICATION-PROBABILITY-NCERT-FILE (EXERCISE 16.3 )
  1. A coin is tossed twice, what is the probability that atleast one ta...

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  2. A die is thrown, find the probability of following events: (i) A pri...

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  3. A card is selected from a pack of 52 cards. (a) How many points are ...

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  4. A fair coin with 1 marked on one face and 6 on the other and a fair di...

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  5. There are four men and six women on the city council. If one counci...

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  6. A fair coin is tossed four times, and people win Re 1 for each head...

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  7. Three coins are tossed once. Fmd the probability of getting (i) 3 h...

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  8. If 5/11 is the probabililty of an event what is the probability of the...

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  9. A letter is chosen at random from the word ASSASSINATION. Find the pro...

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  10. In a lottery, a person choses six different natural numbers at rand...

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  11. Check whether the following probabilities P(A) and P(B) the consistent...

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  12. Fill in the blanks in following table: {:(" ...

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  13. Given P(A)=3/5 and P(B)=1/5 . Find P(A "or" B), if A and B are mutuall...

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  14. If E and F are events such that P(E)=1/4, P(F)=1/2 and P(E"and"F)=1/8,...

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  15. Events E and F are such that P (not E or not F) =0.25. State whether E...

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  16. A and B are events such that P(A) = 0. 42, P(B) = 0. 48and P(A a n d B...

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  17. In Class XI of a school 40% of the students study Mathematics and 3...

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  18. In an entrance test that is graded on the basis of two examinations...

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  19. The probability that a student will pass the final examination m bo...

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  20. In a class of 60 students, 30 opted for NCC, 32 opted for NSS and 2...

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