Probability
Tree Diagrams
Venn Diagram
Addition Rule
With and Without
100
All probabilities are between what 2 numbers.
0 and 1
100
How do we determine the total number of outcomes in a tree diagram?
Count last column
100
Where is overlap in a Venn Diagram?
Middle
100
What part do we subtract with the addition rule?
The overlap or repeating part
100
A bag contains eight red marbles and four blue marbles. You randomly pick a marble and then pick a second marble without returning the marbles to the bag. The first marble is red and the second marble is blue.
Why is this a dependent event?
Number of outcomes changes after 1st event.
200
How do we determine the total number of outcomes between 2 events?
Multiply the outcomes
200
You can choose between a black or green shirt, jeans or khakis and crocs or sneakers. Draw a tree diagram.
Tree
200
Create a Venn Diagram, using the first 15 numbers, on the left circle it is all even numbers, on right circle it is all numbers divisible by 3.
Venn Diagram
200
What word tells that we are using the addition rule?
Or
200
A basket contains five apples and seven peaches. You randomly select one piece of fruit and eat it. Then you randomly select another piece of fruit. The first piece of fruit is an apple and the second piece is a peach.
Find the probability
35/121
300
Why is probability of rolling an even number on dice theoretical probability?
You are predicting what would happen.
300
Draw a tree diagram, you are looking for a new car. You can get an SUV, a Sedan or a Pick up truck. You can fabric or leather seats. You can get All wheel drive, or Front wheel drive.
Tree
300
Draw a Venn Diagram. In a class of 40 students, 25 are taking Algebra 1 and 18 are taking Spanish. If 8 students are taking both.
How many students are taking neither?
5
300
A grocery store employs cashiers, stock clerks, and deli personnel. The distribution of employees according to marital status is shown below. What is the probability that an employee is a deli person or not married.
25/45
300
A store sells a box of highlighters that contains 4 yellow, 3 blue, 2 pink, and 1 green highlighter. What is the probability of randomly picking first 1 blue, putting it back and then 1 pink highlighter from the box?
6/100
400
What do you need for something to be experimental probability?
A number of trials
400
Draw a tree diagram of answering 2 true false questions and a multiple choice with 4 options, a,b,c,d.
What is probability of getting it correct if the correct sequence is False, False and d.
1/16
400
The Venn diagram alongside shows the number of people in a sporting club who play tennis (T) and hockey (H). Find the number of people who play hockey or tennis.
68
400
The medal distribution from 2000 Summer Olympic Games is shown on the table. Find the probability that a person chosen at random won silver or is from China.
137/286
400
There are 10 yellow, 6 green, 9 orange, and 5 red cards in a stack of cards turned facedown. Once a card is selected, it is not replaced.
Find the probability that both cards are not green.
P(both cards not green)
552/870