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Three letters are written to different p...

Three letters are written to different persons and addressess to three envelopes are also written. Without looking at the addresses, the probability that probability that the letters go into right envelopes, is

A

`1/2`

B

`1/3`

C

`1/6`

D

`5/6`

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The correct Answer is:
B
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DISHA PUBLICATION-PROBABILITY -2-EXERCISE - 1 : CONCEPT BUILDER
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  14. In a binomial distribution, mean is 3 and standard deviation is 3/2, t...

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  18. In a binomial distribution B(n , p=1/4) , if the probability of at lea...

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  20. A bag contains three white, two black and four red balls. If four ball...

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