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
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
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
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.
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
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
MAT2058 Discussion Questions
Week 4
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
Statistics
Week 4
Overview:
In Week 3, we learned about normal probability distributions, the standard normal distribution,
applications of normal distributions approximating binomial distributions with normal
distributions, and sampling distributions.
In
Assignment 3- MyLabs Homework
1. Find the area of the shaded region. The graph depicts the standard normal distribution
with mean 0 and standard deviation.
The area of the shaded region is 0.5438
(While either technology or a standard normal distribution
Assignment 1- Discussion
1. The histograms of some sampling distributions are symmetrical. T-F What would make a
histogram symmetrical, and give an example of a symmetrical distribution?
True- When a distribution is normal, then the histogram is symmetric
Melissa Fabian
Autobiography
Hello Class,
My name is Melissa Fabian, I am 26 years old and live in Clarkston, Michigan. I am currently
finishing the remaining classes necessary to apply to the Bachelor of Science in Nursing program
here at South Universit
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
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
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
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
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
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
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
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
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
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
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
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
Kimbra Dunn, Letter F
1. What is it that differentiates a binomial probability distribution from any other probability
distribution?
A probability distribution is a description that gives the probability for each value of the random
variable. The first re
Kimbra Dunn letter F
What are the primary advantages of the Standard Normal Distribution that other normal distributions do
not have?
Normal distribution is determined by two parameters the mean and the variance find probabilities. The
standard normal dis
Kimbra Dunn, Letter F
1. The histograms of some sampling distributions are symmetrical. T-F What would make a
histogram symmetrical, and give an example of a symmetrical distribution?
A histogram is said to be symmetric if, when we draw a vertical line do
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 effectiveness.
The study is experimental, because researchers test two di
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