Latest M4maths Aptitude Question SOLUTION: Four people each roll a fair dice once. Find the probability that at least two people will roll the same number

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(#M40154462) M4MATHS question Keep an EYE

Four people each roll a fair dice once. Find the probability that at least two people will roll the same number

Asked In M4maths ARGHO BISWAS (8 years ago)

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Ashis Das  (2 years ago)

The number of ways of rolling a dice where no two numbers probability that no one rolls the same number = 6 x 5 x 4 x 3

Now total possibilities of rolling a dice = 64

The probability that a no one gets the same number = (6 X 5 X 4 X 3)/(6^4)=5/18

So the probability that at least two people gets same number = 1-(5/18)=13/18

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