0 votes 0 votes Can any one explain me the part in green box Thanks :) Probability engineering-mathematics probability made-easy-test-series + – Nandkishor3939 asked Jan 16, 2019 edited Mar 3, 2019 by ajaysoni1924 Nandkishor3939 827 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Sayan Bose commented Jan 16, 2019 reply Follow Share Prob of getting 5 in 1st attempt, in 2nd attempt(here you get neither 5 nor 7 in first attempt) , in 3rd attempt(here you get neither 5 nor 7 in the first 2 attempts) and so on. 1 votes 1 votes PiratedVirus commented Nov 13, 2019 reply Follow Share https://www.youtube.com/watch?v=dqWcCzuSroA 1 votes 1 votes Please log in or register to add a comment.