A subset of a population selected to represent the population is a _____.
a. subset
b. sample
c. small population
d. None of the answers is correct.
Question 2
If one wanted to find the probability of 10 customer arrivals in an hour at a service station, one would generally use the _____.
a. binomial probability distribution
b. Poisson probability distribution
c. hypergeometric probability distribution
d. exponential probability distribution