2 votes 2 votes Consider that, there are 365 days in a year, what is the probability that exactly two out of ten people are born on the same day? Mathematical Logic probability engineering-mathematics + – Manu Thakur asked Jan 8, 2018 Manu Thakur 463 views answer comment Share Follow See all 10 Comments See all 10 10 Comments reply Show 7 previous comments Manu Thakur commented Jan 8, 2018 reply Follow Share @Srestha @sid that is ok, but that shouldn't be 365/365*1/365*364/365............ and so on? why is the sample space 364^(r-2)? 0 votes 0 votes sid1221 commented Jan 8, 2018 reply Follow Share yes its correct ... it should be rc2 /365. for remaining sample space 364^(r-2) 0 votes 0 votes srestha commented Jan 8, 2018 reply Follow Share @Manu thakur where r u getting this ? 365/365*1/365*364/365. ........ Can u tell a bit more? because I am not getting this line 0 votes 0 votes Please log in or register to add a comment.