An eye care health clinic experiences 15 customers arrive every 60 minutes between 12:00-1:00 mid day. There are three clerks help these customers. Check the following correct statements in any given 20 minute interval. Keep 4 decimal points.
Answer
a. the probability of more than 3 customer arrivals is 0.7350.
b. the probability of two customer arrivals is 0.1991.
c. the probability of less than or equal to 3 customer arrivals up is not 0.4480.
d. the probability of three customer arrivals is 0.1494.
e. the probability of no customer arrival is 0.0067.
f. the probability of one customer arrival is 0.0498.
g. the probability of less than or equal to 2 customer arrivals is 0.1247.
h. the probability of less than or equal to 1 customer arrival is 0.2240.