Assignment 2- MyLabs Homework
1. A certain group of test subjects had pulse rates with a mean of 76.5 beats per minute and
a standard deviation of 12.6 beats per minute. Would it be unusual for one of the test
subjects to have a pulse rate of 121.7 beats
c. What is the probability that at least 3 of the selected consumers recognize the brand name?
To determine the correct answer, rst write IIthe probability that at least 3 of the selected consumers recognize
the brand name" as a mathematical expression. T
The assets (in billions of dollars) of the four wealthiest people in a particular country are 42, 39, 35, 23.
Assume that samples of size n=2 are randomly selected with replacement from this population of four
values.
Statistics
Assignment 1- Discussion
1. Describe what a type I and type II error would be for the following null hypothesis:
H_0: There is no difference between steam and chemical carpet cleaning methods.
Type 1: You say there is a difference between the c
Statistics
Assignment 1- Discussion
Answer True if the statement is always true. If the statement is not always true, replace the
underlined words with words that make the statement always true.
Failing to reject the null hypothesis when it is false is a
3) 6.5.5
Assume that women's heights are normally distributed with a mean given by p= 64.4 in, and a standard deviation given bye-=23 in.
cfw_a If 1 woman is randomly selected, nd the probability that her height is less than 65 in.
cfw_b If 46 women are r
W4A1: Discussion
In the formula for the Confidence Interval for the Mean, besides E, what group of symbol(s)
represents the Maximum Error of Estimate?
If a population has a standard deviation of 18.2 units, what is the standard error of the mean if
sample
MAT0099
Glossary
Week 2 Glossary Chapters 1.7-1.8 and 2.1-2.2 (Elementary and Intermediate Algebra: Concepts and
Applications)
Coefficient
The numerical multiplier of
a variable or variables.
Example:
In this example, 4 and -7 are both coefficients.
Contr
MAT2058 Week 1 Practice Quiz
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
Determine whether the given value is a statistic or a parameter.
1)
After inspecting all of 55,000kg of meat stored at the
Math 1500 Counting
Probability example
Question: A bag contains 13 yellow marbles, 4 green marbles, and 7 red marbles.
What is the chance of drawing a green marble? If a yellow marble is drawn the
first time and then a second marble is drawn without repla
MAT0099
Glossary
Week 3 Glossary Chapters 2.3-2.7 (Elementary and Intermediate Algebra: Concepts and Applications)
Circumference
Closed interval [a, b]
Complementary
angles
Consecutive numbers
Distance around a
circle; the
circumference of a
circle equals
Testname: MAT2058 Week 1 Practice Quiz
Answer Key
1) B
ALL of the meat was inspected; therefore we have a parameter.
2) A
With a precise measuring instrument, this temperature may actually be
67.325, 67.2999, etc.; therefore continuous
3) D
These levels m
MAT2058 Week 4 Practice Quiz
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
Express the confidence interval using the indicated format. Please show all work for all
problems!
1)
Express the confidenc
MAT0099
Glossary
Week 4 Glossary Chapters 3.1-3.5 (Elementary and Intermediate Algebra: Concepts and Applications)
Axes (singular: axis)
Two perpendicular number lines used
to identify points in a plane.
Example:
y-axis
x-axis
Coordinates
Grade
The number
MAT2058 Week 2 Practice Quiz
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
Find the standard deviation for the given sample data. Round your answer to one decimal place.
1)
To get the best deal on a
MAT2058 Discussion Questions
Week 5
Text:
Textbook: Triola, M. F. (2014). Elementary statistics technology update (12th ed.). Boston, MA: Pearson
Education.
Instructions:
In the Course Home announcement area there should be a listing with your name and le
Homework: W4: Assignment 2 Homework
1. A newspaper provided a snapshot illustrating poll results from 1910 professionals who
interview job applicants. The illustration showed that 26% of them said the biggest
interview turnoff is that the applicant did no
Binomial Distribution
A binomial distribution is a distribution that has only two outcomessuccess or failure. When you
toss a coin, there are only two outcomes, a head or a tail. When you roll a die, you have 6 possible
outcomes, but it can be thought of
MAT2058 Discussion Questions
Week 2
Text:
Textbook: Triola, M. F. (2014). Elementary statistics technology update (12th ed.). Boston, MA: Pearson
Education.
Instructions:
In the Course Home announcement area there should be a listing with your name and le
Assignment 1 Discussion
Letter F:
1. What is it that differentiates a binomial probability distribution from any other probability
distribution?
What differentiates a binomial probability distribution from any other probability
distribution is that a bino
Week 1- Assignment 4 Quiz
1. A polling company reported that 57% of 2302 surveyed adults said that they play
basketball. Complete parts (a) through (d) below.
a. What is the exact value that is 57% of 2302?
The exact value is 1312.14
b. Could the result f
Assignment 1: Discussion Assignment
By Week 2, Day 3, submit your answers to the Discussion Area.
For each weeks assignment, find your assigned letter and complete the problems associated with that
letter in this document. If your instructor has not assig
Melissa Fabian
Week 1- Assignment 2 Discussion Questions
1. Describe whether the following study would most likely be observational or
experimental, and why it would be so.
* Researchers test two different blood pressure medicines to determine effectivene
Week 1- Assignment 3 MyLabs Homework
1. A polling company reported that 4343% of 1018 surveyed adults said that cellular phones
are "quite annoying. Complete parts (a) through (d) below.
a. What is the exact value that is 43% of 1018?
The exact value is 4
Assignment 1- Discussion
1. What are the primary advantages of the standard normal distribution that other normal
distributions do not have?
The main advantage of the standard normal distribution is the simplicity of calculating
required probabilities for
Statistics
Week 3 Overview & Sidebar Lecture
Standard Normal Distribution
The normal distribution is used to find probabilities by finding the area under the curve. Each
normally distributed variable has its own mean and standard deviation. It would be cu
MAT2058 Discussion Questions
Week 3
Text:
Textbook: Triola, M. F. (2014). Elementary statistics technology update (12th ed.). Boston, MA:
Pearson Education.
Instructions:
In the Course Home announcement area there should be a listing with your name and le
S- week 11) Would you suspect that the IDEA surveys sent to South students each term could be biased in the responses
received? Why or why not?
Yes. Because the survey answers could be biased off the student teacher relationship, if the student didnt feel
MAT0099
Glossary
Week 1 Glossary Chapters 1.1-1.6 (Elementary and Intermediate Algebra: Concepts and Applications)
Absolute Value
Additive Inverses
Algebraic
Expression
The distance that a
number is from 0 on the
number line.
Examples:
A numbers opposite.