Refresher Probability
Presentation
•
Mathematics
•
9th Grade
•
Hard
+1
Standards-aligned
Kimberlee Joy
Used 18+ times
FREE Resource
4 Slides • 10 Questions
1
Refresher Compound Probability
More than 1 event ("AND")
"AND" IS MULTIPLY!!!!!
2
P(win AND win) so MULTIPLY!
There is a 1 out of 36 chance of winning 2 times in a row
3
Refresher Probability "OR" so ADD!
red: 7
blue: 4,5,6
4
Refresher Two-way Table
P(male football) = 20/100
P(basketball or baseball) = 67/100
P(female or baseball) = (88-23)/100 = 65/100
P(male given football) = 20/33
5
Multiple Choice
What is the probability of the spinner landing on an even number?
6
Multiple Choice
7
Multiple Choice
You roll a six sided die. What is the probability of rolling an even number three times in a row?
8
Multiple Choice
A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3?
9
Multiple Choice
Which of the following shows how to determine P(shaded number or number less than five)?
10
Multiple Choice
The make-up of employees at a police station is shown in the table above:
What is the probability that a randomly selected employee is a chief?
11
Multiple Choice
The make-up of employees at a police station is shown in the table above:
What is the probability that a randomly selected employee is male and a sergeant?
12
Multiple Choice
The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.
What is the probability a randomly selected student got an A or B for the semester?
13
Multiple Choice
14
Multiple Choice
The two-way table above gives information about the grades for the semester in Mrs. Hardcase’s English class.
Given that the grade is an A, what is the probability of the student being female?
Refresher Compound Probability
More than 1 event ("AND")
"AND" IS MULTIPLY!!!!!
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