Sets
Simple Probability
Compound Probability
Two-Way Tables
Venn Diagrams
100
What does this symbol mean: ∪
Example: A ∪ B
Union
100
What is the probability of rolling a 4 with a 6 sided die?
1/6
0.1667
16.67%
100
A coin is tossed. What is the probability of flipping heads two times in a row?
1/4
0.25
25%
100
What value goes in the space labeled "C"?
16 + 48 = 64
100
In the Venn Diagram above, how many are in set A?
25
200
What does this symbol mean: ∩
Example: A ∩ B
Intersection
200
What is the probability of drawing the queen of hearts from a deck of cards?
1/52
0.019
1.9%
200
A coin is tossed then a 6-sided die is rolled. What is the probability of flipping heads then rolling a 4?
1/12
0.083
8.3%
200
What value goes in the space labeled "A"?
136 - 50 = 86
200
In the Venn Diagram above, how many are in set A or B?
37
300
A = {1, 2, 5}
B = {1, 7, 8, 9}
What is A ∪ B?
{1, 2, 5, 7, 8, 9}
300
What is the probability of drawing a 5 or 6 from a deck of cards?
8/52 or 2/13
0.154
15.4%
300
A bag contains 3 red, 5 blue, 6 green, and 6 yellow marbles. What is the probability of drawing a blue marble then red marble if the marbles are put back each time.
5/20 x 3/20 = 15/400 or 3/80
0.0375
3.75%
300
What is the probability that someone in class A passed the test?
19/22
0.863
86.3%
300
In the Venn Diagram above, how many are in set A or B but not C?
28
400
A = {1, 2, 3, 4, 5}
B = {1, 3, 5, 7, 9,..}
What is A ∩ B?
Intersection of the two sets
{1, 3, 5}
400
A bag contains 3 red, 5 blue, 6 green, and 6 yellow marbles. What is the probability of drawing a blue marble?
5/20 or 1/4
0.25
25%
400
A bag contains 3 red, 5 blue, 6 green, and 6 yellow marbles. What is the probability of drawing a yellow marble then blue marble if the marbles are NOT put back each time.
6/20 x 5/19 = 30/380 or 3/38
0.0789
7.89%
400
What is the P(in class A or Passed)
in class A or passed = 19+24+21+3 = 67
total students = 80
67/80
0.8375
83.75%
400
Draw a Venn Diagram then answer the following question:
In a survey of 100 people, 40 owned a cat, 50 owned a dog, 25 owned another kind of pet ("other"), 25 owned a cat and a dog, 10 owned a cat and another kind of pet, 15 owned a dog and another kind of pet, and 5 owned all three. How many people in the survey did not own a dog, cat, or another kind of pet?
30
500
U = {1, 2, 3, 6, 8, 11, 14}
A = {1, 3, 11}
What is the complement of A?
A' = {2, 6, 8, 14}
(All the numbers in U but not A}
500
A bag contains 3 red, 5 blue, 6 green, and 6 yellow marbles. What is the probability of drawing a blue or red marble?
8/20 or 2/5
0.4
40%
500
A coin is flipped 5 times. What is the probability of getting heads each time?
1/2 \times1/2\times 1/2 \times1/2\times 1/2 = 1/32
=0.03125
=3.125%
500
What is the P(Did not Pass | Class C)
5/26
0.192
19.2%
500
Draw a Venn Diagram and answer the following question:
In a survey of 100 people, 40 owned a cat, 50 owned a dog, 25 owned another kind of pet ("other"), 25 owned a cat and a dog, 10 owned a cat and another kind of pet, 15 owned a dog and another kind of pet, and 5 owned all three. How many people in the survey owned a dog or a cat, but not another kind of pet?
45