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Introduction to probability

Question

Given four pair of gloves, they are distributed to four persons.    

Each person is given a right handed and left handed glove. 

The probability that no person gets a pair is equal to

Easy
Solution

 

 The first distribution of 4 left gloves to four persons in 4! ways.    Now, no one gets the corresponding right glove=4!(1-11!+12!-13!+14!)                                                                                      =24(1-1+12-16+124)                                                                                      =9  

Then, the number of favourable ways = 9·4! 

Total number of ways =4!·4!

Required Probability = 2164!·4!=38=0.375



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