Dr. Kimberly Dorsey
A Survey of
Probability Concepts
Chapter 5
Learning Objectives
LO1
LO2
LO3
Define probability.
Explain the terms experiment, event, outcome,
Identify and apply the appropriate approach to
assigning probabilities,
LO4 Calculate probabil

Spread of the data
(Spread of Data)
Does not consider all of the values (Quality control)
Measures the mean amount by which the
value in a N or n deviate from the mean
The larger the variance, the more dispersion there is in the distribution of the data

Dr. Kimberly Dorsey
One Sample Tests of
Hypothesis
Chapter 10
Learning Objectives
LO1 Define a hypothesis.
LO2 Explain the five-step hypothesis-testing procedure.
LO3 Describe Type I and Type II errors.
LO4 Define the term test statistic and explain how i

Kimberly Dorsey
Estimation and
Confidence Intervals
Chapter 9
Learning Objectives
LO1 Define a point estimate.
LO2 Define level of confidence.
LO3 Compute a confidence interval for the population
mean when the population standard deviation is
known.
LO4 C

Dr. Kimberly Dorsey
Discrete
Probability
Distributions
Chapter 6
Learning Objectives
LO1 Identify the characteristics of a probability distribution.
LO2 Distinguish between discrete and continuous random
variable.
LO3 Compute the mean of a probability dis

Dr. Kimberly Dorsey
Continuous
Probability
Distributions
Chapter 7
Learning Objectives
LO3 List the characteristics of the normal probability distribution.
LO4 Convert a normal distribution to the standard normal distribution.
LO5 Find the probability tha

Discrete
Probability Distributions
Chapter 6
Learning Objectives
LO1 Identify the characteristics of a probability distribution.
LO2 Distinguish between discrete and continuous random
variable.
LO3 Compute the mean of a probability distribution.
LO4 Comp

See. pg. 147 Figure
Pg. 147 Self-Review 5.1
Video Games, Inc. recently developed a new video game.
Its playability is to be tested by 80 veteran game players.
a) What is the experiment?
b) What is one possible outcome?
c) Supposed 65 players tried the ne

Self-Review 5-11 #2, pg. 175
The 10 numbers 0 through 9 are to be used in code groups of four (4) to
identify an item of clothing.
Code 1083 might identify a blue blouse, size medium;
code group 2031 might identify a pair of pants, size 18 and so on.
R

Test on 9/11 on Ch. 3 and 5
In a sample of 500 students, 320 said they had a smart
phone, 175 said they had an Ipod, and 100 said they
had both. 5 said they had neither.
SP
320
Both
100
Ipod
175
P(SP or I) = P(SP) + P(Ipod) - P(SP and Ipod)
= 320/500 + 17

Dr. Kimberly Dorsey
Describing Data:
Numerical Measures
Chapter 3
Learning Objectives
LO1 Explain the concept of central tendency.
LO2 Identify and compute the arithmetic mean.
LO3 Compute and interpret the weighted mean.
LO4 Determine the median.
LO5 Ide

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