Transcript probability example oct

What We Know About
Probability:
P=
Number of favorable outcomes
Total number of outcomes
Events- Collection of outcomes
Tree Diagrams- A way of showing all possible
outcomes of an event
Fundamental Counting Principle- If one event has
m possible outcomes and the second event
has n possible outcomes then m x n = the
total outcomes for two events
What I Need To Know
About Probability Today:
Permutations- Are an arrangement of
items/events where order matters.
Combinations- Are an arrangement of
items/events where order doesn’t
matter.
Problem
Ron, from Pueblo high school, wants to
read a list of candidates for prom
queen and king. There are 6
candidates. How many ways can the
principle introduce the candidates?
A. 2160
B. 720
C. 21
D. 6
Problem
If a single coin is tossed three times and
the side that the coin lands on is
recorded for each toss, what is the total
number of possible combinations?
A. 4
B. 6
C. 8
D. 10
Problem:
The Catalina student council holds an
election with five candidates and the
three candidates with the highest votes
totals get the offices of president, vice
president, and assistant vice president,
respectively. How many different
outcomes are there in this election?
A. 5
C. 60
B. 15
D. 120