1
AP Statistics Chapter 6 – Random Variables
Day
1
 Chapter 5 Wrap-Up/ Lab
Activity
2
 Chapter 6 Introduction,
 Section 6.1
Discrete random Variables,
Mean (Expected Value) of a
Discrete Random Variable
3
4
5
6
Objectives:
Students will be able to…
Topics
 Section: 6.1
Standard Deviation (and
Variance) of a Discrete Random
Variable, Continuous Random
Variables,
 Technology: Analyzing Random
Variables on the Calculator
Tutorial and Preparation for
Casino Lab
 Casino Lab
 Section: 6.2
Linear Transformations
Homework
Reading:
pp. 339-346
Strive:
p. 105-108
Textbook
Problems:
31, 32, 33, 34

Review of Basic Probability

I can use a probability distribution to
answer questions about possible values of
a random variable.
I can calculate the mean of a discrete
random variable.
I can interpret the mean of a random
variable in context.
Reading:
pp. 346-353
Textbook
Problems:
1, 5, 7

I can calculate the standard deviation of a
discrete random variable.
I can interpret the standard deviation of a
random variable in context.
Textbook
Problems:
14, 18, 20, 23,

Summary of previous ‘I can’ statements
Textbook
Problems:
9, 13, 21, 22

Summary of previous ‘I can’ statements
Reading:
pp. 358-377
Strive:
p. 109-112
Textbook
Problems:
25, 27-30

I can describe the effects of transforming a
random variable by adding or subtracting
a constant and multiplying or dividing by a
constant.



Textbook
Problems:
37, 43, 45
2

7
 Section: 6.2
Combining Random Variables,
Combining Normal Random
Variables
8
 Section: 6.3
Binomial Settings and Binomial
Random Variables, Binomial
Probabilities,
 Technology: Binomial
Probabilities on the Calculator
9
 Section: 6.3
Mean and Standard Deviation of
a Binomial Distribution,
Binomial Distributions in
Statistical Sampling
10
 Section: 6.3
Geometric Random Variables,
 Technology: Geometric
Probabilities on the Calculator
11
Chapter 6 Review
12
Chapter 6 Test & HW Journal is due!






I can find the mean and standard
deviation of the sum or difference of
independent random variables.
I can determine whether two random
variables are independent.
I can find probabilities involving the sum
or difference of independent Normal
random variables.
Textbook
Problems:
49, 51, 59, 63,
65, 66
I can determine whether the conditions
for a binomial random variable are met.
I can compute and interpret probabilities
involving binomial distributions.
Reading:
pp. 382-403
Strive:
p. 113-116
Textbook
Problems:
69, 71, 73, 76,
78
I can calculate the mean and standard
deviation of a binomial random variable.
Interpret these values in context.
Textbook
Problems:
79, 81, 83, 85,
87, 89
I can find probabilities involving geometric
random variables.
Textbook
Problems:
93, 95, 97, 99,
101-103
 Summary of all ‘I can’ statements and
concepts
 All HW problems should be finished prior to
test
 Strive Book Chapter 6 should be completed
prior to test
Strive:
p. 119-126