Posted by Anonymous on .
3. At a cafeteria the customers arrive at an average of 0.3 per minute. The probability
that a)exactly 2 customers arrive in a 10 minute span b)2 or more customers arrive in a 10
minute span c) one customer arrives in a 5 minute span and one customer arrives in the next
minute span is

statistics 
drwls,
This looks like a Poisson statistics problem.