Author Question: A newly-premiered play just ended that evening at a local theater. Theater management briefly ... (Read 160 times)

yoooooman · **on:** Jul 25, 2018

A newly-premiered play just ended that evening at a local theater. Theater management briefly interviews every ninth person leaving the theater to see if that person will recommend the play at that theater to other people.

Identify the type of sampling used in this example.
A) Multistage sampling B) Systematic sampling
C) Stratified sampling D) Cluster sampling

Question 2

The sum of the probabilities of a discrete probability distribution must be

A) greater than one. B) less than or equal to zero.
C) equal to one. D) between zero and one.