1 votes 1 votes Given below are two problems that I had encountered in two different tests. They seem to me as the same type. However, the solutions provided have been done differently. Where am I wrong? Probability probability engineering-mathematics + – Samujjal Das asked Jan 24, 2017 Samujjal Das 568 views answer comment Share Follow See all 12 Comments See all 12 12 Comments reply Show 9 previous comments Rahul Jain25 commented Jan 26, 2017 reply Follow Share Bro here arrangments dont matter at all that is what I think 2 boys , 2 girls will be one even in sample. Here they are not asking us to select from boys or girls and neither arrangments. So I think 4 should be sample space. 1 votes 1 votes Sushant Gokhale commented Jan 26, 2017 reply Follow Share ok, you mean if there is only 1 boy in the family then it doesnt matter whether 1st is boy or 4th is boy? I dont think so. Because you are considering all as identical. 0 votes 0 votes Rahul Jain25 commented Jan 26, 2017 reply Follow Share We just want a boy. It doesn't matter if first is ramesh or suresh. 0 votes 0 votes Please log in or register to add a comment.
0 votes 0 votes In first question where it is mentioned exactly two boys ?? for first part answer shud be 3/4 then ..i guess correct me if i am wrong and in second question does order matter? i am confused Shivangi Verma answered Jan 27, 2017 Shivangi Verma comment Share Follow See all 0 reply Please log in or register to add a comment.
