probaility qns dse2013

Posted by L14 on Mar 29, 2014; 6:52pm
URL: http://discussion-forum.276.s1.nabble.com/probaility-qns-dse2013-tp7585695.html



need help!
I think qn46 has something to do with poisson, but i don't get how to apply it.
and qn45 is it 1/4?
thanks.