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A complete cycle of a traffic light take...

A complete cycle of a traffic light takes 60 s. During each cycle the light is green for 25 s, yellow for 5 s and red for 30 s. At a randomly chosen time, the probability that the light will not be green is

A

`(1)/(3)`

B

`(1)/(4)`

C

`(4)/(3)`

D

`(7)/(12)`

Text Solution

Verified by Experts

The correct Answer is:
D
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DISHA PUBLICATION-PROBABILITY-1-EXERCISE-1 : CONCEPT BUILDER
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  10. If n integers taken art random are multiplied together , then the p...

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  11. The alphabets of word ALLAHABAD are arranged at random. The probabilit...

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  12. Six dice are thrown. The probability that different numbers will turn...

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  13. A dice is rolled three times, find the probability of getting a larger...

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  14. If P(A)=1//4,P(B)=2//5 then find the range of P(AuuB)

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  15. The probability of choosing a number divisible by 6 or 8 from among 1 ...

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  16. A, B and C are events associated with a random experiment such that P...

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  17. If the integers m and n are chosen at random between 1 and 100, then t...

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  18. In a given race the odds in favour of three horses A, B, C are 1 : 3, ...

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  19. If E and F are events with P(E)leP(F) and P(EnnF)gt0, then

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  20. If the events A and B are mutually exclusive events such that P(A) = (...

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