This method of representing sets
{a,b,c,d,e,f}
Roster method
Given the universal set {a,b,c,d,e,f} as well as A = {a,b,c}. Find A'
{d,e,f}
What is 5!?
120
A spinner has 6 spaces; 3 red, 2 green and 1 yellow. Find the probability of that the pointer will land on
red and then red
2/10
The sample space of a coin being flipped is below.
S = {HT, HH, TH, TT}
What is the probability of getting at least 1 tail?
3/4, 75%
This method of representing sets
{x/x is a number greater than 5}
Set builder notation
Given the following
A = {1,2,3}
B = {3,4}
What is A intersect B?
3
(12/4)!
6
For a segment of a radio show, a disc jockey can play 6 records. If there are 10 records to select from, in how many ways can the program for this segment be arranged?
151,200
You are dealt one card from a 52 card deck. What is the probability of getting a club?
1/4 or 25%
{a,b,c} ___ {b, c, d}
Is not a subset
Given Sets
A = {1,2,3,4}
B= {3,4,5,}
C = {4,6,7,}
What is A union C?
{1,2,3,4,5,6,7}
10C6 =
210
You are dealt one card from a 52-card deck. What is the probability that you are dealt a club or a picture card?
11/26, 22/52 or 42%
You are dealt a card from a 52 card deck. What is the probability of getting a queen?
4/52, 8%
What is the empty set?
The set that contains no elements
Given the sets
A = {1,2,3,4}
B = {4,5,6}
C = {4,6,7}
What is (A intersect B)'?
{1,2,3,4,7}
FCP, Permutation or Combination?
The number of possible license plates in a state that has 3 digits 0-9 followed by 2 letters?
FCP
Consider a political discussion group consisting of 6 Democrats, 6 republicans, and 5 Independents. Suppose that two groups members are randomly selected, in succession, to attend a political convention. What is the probability of selecting two Democrats?
30/272, 15/136, or 11%
If a card is selected at random from a 52 card deck. What is the probability of selecting a non-face card diamond?
10/52, 19%
What is the cardinal number of {1,3,5,...27}
14
Given the sets
A = {1,2,3,4}
B = {2,4,6}
C = {1,2,6,}
What is (A union B)'?
The empty set
FCP, Permutation or Combination?
A ticket raffle happens at HWC tomorrow. 3 students are selected at random. First prize gets $500, second prize gets $250 and third prize gets $100.Permutation
If the probability of a tornado hitting California is 1/7. What is the probability of a tornado not hitting California for 4 consecutive years then hitting the 5th year
1,296/2,401, 54%
What is the probability of an event that is certain
100%