Hypothesize one or more families of distributions for each of the following cases:

a. Time between customers arriving at a fast food restaurant during the evening dinner hour.
b. The time till the next failure of a machine whose failure rate is constant.
c. The time till the next failure of a machine whose failure rate increases in time.
d. The time to manually load a truck based on the operational design of a system. You ask the system designers for the minimum, average, and maximum times.
e. The time to perform a task with long task times possible.
f. The distribution of job types in a shop. g. The number of items each customer demands.