a newly opened cracker shop has 5 different type of crackers . if the first 4 customers choose one cracker at random, then the probability that the fourth customer orders a previously unordered cracker is 'm/n'. ( where m and n are relatively prime positive no.s) find "m+n".
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
No explanations have been posted yet. Check back later!