Suppose there are five people,
let t1 be the first arrival time which van be computed from min{X1,...,X5}
t2 is the time of the next and so on. and assuming independence of arrivals and each is ~exp(lambda)
suppose we have the data:
day 0, 1, 2, 3
# arrivals 0, 2, 3,5
means on day 0 there...