AP Stats
Review
Name_________________________
Part I. Identify the following variables as discrete or continuous.
1.
The number of kittens in a litter. ____________
2.
The weight of the kittens. _________________
Part II. The following data represents the probability distribution for the average number of occupants in a dwelling. Answer the
questions that follow.
# Occupants
Probability
1
0.25
2
0.32
3
0.17
4
0.15
5
0.07
3.
Find the probability for a 6 person household.
4.
What is the probability that a household has less than 3 occupants?
5.
What is the probability that a household has at least 5 occupants?
6.
What is the probability that the number of occupants is between 2 and 5?
6
?
7
0.01
Part III. Find the probability distribution for the following:
7. The probability that a person must get their computer worked on during the first year of purchase is 0.23. Find the probability
distribution for the probability that if 3 people are randomly selected, that they have to get their computer worked on.
8. Do it for 4 people.