1 votes 1 votes If a fair die (with 6 faces) is cast twice, what is the probability that the two numbers obtained differ by 2? (A) 1/12 (B) 1/6 (C) 2/9 (D) 1/2 Probability jest probability discrete-mathematics + – sripo asked Feb 15, 2019 • retagged Mar 11, 2019 by Naveen Kumar 3 sripo 677 views answer comment Share Follow See 1 comment See all 1 1 comment reply Ram Swaroop commented Feb 15, 2019 reply Follow Share 2/9 1 votes 1 votes Please log in or register to add a comment.
3 votes 3 votes $probability=\frac{favorable\ cases}{sample space}=\frac{(1,3)(3,1)(2,4)(4,2)(3,5)(5,3)(4,6)(6,4)}{total \ 36 \ pairs}=\frac{8}{36}=\frac{2}{9}$ Prateek Raghuvanshi answered Feb 15, 2019 Prateek Raghuvanshi comment Share Follow See all 0 reply Please log in or register to add a comment.