Re: Simple probability questions

Posted by The Villain on Mar 24, 2014; 5:44pm
URL: http://discussion-forum.276.s1.nabble.com/Simple-probability-questions-tp7585428p7585445.html

@Arushi
quest 1..

10 men stand in a row
A can occupy any 1 of 10 seats n B any 1 of remaining 9
therfore exhaustive cases 10*9=90
case 1: A in 1st n B in 5th position
case 2: A in second n B in 6th
.
.
.
.
case 6:A in 6th and B in 10th

therfore total =2*6=12
prob=12/90=2/15