Section 4.4
Multiplication Rule
Find the probability of two or more events that
occur in sequence using the multiplication
rule.
(pg 156)
Independent vs. Dependent Events
Two events A and B are independent if the
fact that A occurs does not affect the
pr
Math/Stat 231
Review for Test #2
Chapters 4 & 5
1. If a regular die is rolled, what is the probability of rolling a 1 or a 6?
2.
In a recent survey, it was found that 35% of households subscribe to a local newspaper. If 8
households are randomly selected,
Complements: The Probability
for At Least One
Section 4.5
The multiplication rules can be used with the
rule for complements to simplify solving
probability problems involving at least one.
Complements: The Probability of At Least One
And
Conditional Pro
Section 5-2
Probability Distributions
Discuss how to distinguish between discrete random
variables and continuous random variables.
Definitions
A random variable is a variable (typically
represented by x) that has a single numerical value,
determined by
Section 5-3
Binomial Probability Distributions
Find the exact probability for X successes in n trials of a
binomial experiment.
The Binomial Distribution
Many types of probability problems have only two possible
outcomes or they can be reduced to two ou
Section 4.3
Addition Rule
Find the probability of compound events using
the addition rules.
Introduction
Many problems involve finding the probability of 2 or
more events.
Example: Suppose a person is selected at random
at a political gathering, what is
Section 4-2
Basic Concepts of Probability
This section introduces the basic concept of the
probability of an event.
Definitions
An event is any collection of results or outcomes of a
procedure.
The sample space for a procedure consists of all
possible s
Name: _ Quiz #2
Math/Stat 231 15 pts Due: 9/27/2016
1. Three cards are drawn from an ordinary deck and not replaced. Find the
probability of getting all clubs.
2. Choose one of the 50 states at random. What is the probability that it does not
begin with t