1 votes 1 votes Twelve balls are distributed at random among three boxes. The probability that the first box will contain three balls is ________. (Upto 2 decimal places) expalin in detail... Lone Wolf asked Jan 9, 2019 Lone Wolf 195 views answer comment Share Follow See 1 comment See all 1 1 comment reply arvin commented Jan 9, 2019 reply Follow Share 10/91.. use n-1+rCr :: similar balls in different boxes.... sample space will be 14C2 // 3boxes with 12 balls and required combinations will be 10C1...//since one box will have 3 balls fixed... so we have to fill 2boxed now with 9balls .. 1 votes 1 votes Please log in or register to add a comment.