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Three numbers are selected at random(without replacement) from first six positive integer. Let X denote the largest of the three numbers obtained. Find the probability distribution of X.



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here what about (1,5,2) etc....
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Sol: total no possible out comes should be calculated on the basis of permutation (e.g. 6 x 5 x 4 =120 ) not on combination 6C3 and also favourable out comes need to calculate (e.g. for X=1 {(1,2,3), (1,3,2), (2,3,1), (2,1,3), (3,1,2), (3,2,1) ...} so that n(X=1)=20.
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The question here is, x implies largest of three not smallest of three 
so X=3,4,5,6
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Should we use permutation or combination. I am not clear regarding the answer. Please reply
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I also want this answer
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the question ask for larger no..then why the probability for smaller no is shown
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Thank you, but the question was X:largest,
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Math question

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Please find this answer

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How to died gient
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The question here is, x implies largest of three not smallest of three?
so X=3,4,5,6
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