The time between arrivals of customers at
a bank during the noon-to-1 P.M. hour has a uniform
distribution between 0 to 120 seconds
.
What is the
probability that the time between the arrival
of two customers
will be
a.
less than 20 seconds?
b.
between 10 and 30 seconds?
c.
more than 35 seconds?
d.
What are the mean and standard devi
ation of the time between arrivals?