At a party there are 37 students over age 21 and 22 students under age 21. You choose at random 3 of those over 21 and separately choose at random 2 of those under 21 to interview about attitudes toward alcohol. You have given every student at the party the same chance to be interviewed.
What is the chance?
students over age 21 students under age 21 chance
Why is your sample not an SRS?
These combinations of students have equal chances of being interviewed.
Not all combinations of students have an equal chance of being interviewed.
All combinations of students have an equal chance of being interviewed.
The sample size is too small.