1
Lane et al.
4. Why is a 99% condence interval wider than a 95% condence interval?
Answer:
A 99% confidence interval is wider than a 95 % confidence interval because 4% more of the possible
sample me
Week 1 Homework
3. If you are told only that you scored in the 80th percentile, do you know from that description exactly
how it was calculated? Explain.
We know that the Kth percentile of an observat
UMUC STATS 200, FALL 2017 QUIZ 1
.
(1) Suppose you want to design a poll to predict the outcome of the presidential
elections. Explain how you would sample the population for the poll. Say what type o
#5. A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?
1 N x
N!
P ( x )=
x
x ! ( nx ) !
Let x=6, N=9, =0.5 (coinhas 2 sides)
21
=.164
28
9!
6
P (6 ) =
( .5 )
6 ! ( 96
Project Ideas
INST 126 Fall 2017
The term project will give you an opportunity to apply and extend what you learn in class. You will work
in small teams (2-3 people). This enables you to undertake an
Matthew Vega
STAT100
MINITAB Assignment 5
1.
a. The mean number of smokers who started smoking before 18 years of age for a
sample of 8 smokers is 6.2.
b. The standard deviation of the number of smoke
Defining key information concepts
What is Information?
Can be defined as
o organized + communicated data
o a record of resolved uncertainty
o a stimulus that alters our cognitive structure
Might be
o
First Exam Prep
AREC 365
The midterm will be on the 4th of October at the same time and place as lecture.
You do not need a calculator. You must have your student ID and a pencil with
you during the e
Article Critique
By: Adrian Addae
https:/en.wikipedia.org/wiki/Vitamin_A_deficiency
The article I chose to use described dangerous the effects of Vitamin A deficiency.
This is a very interesting topic
UMD Scavenger Hunt
Adrian Addae
09/19/17
INST201
All of the five obscure objects/landmarks I found all had the pattern of being
partially hidden, but still in plain sight, just in random locations. I
Adrian Addae
STAT100
Minitab Assignment 3
1.
a. The mean of the number of smokers before age 18, out of the
sample of 11 smokers is 9.68.
b. The standard deviation of the number of smokers before age
#5 of Homework 2
By: Adrian Addae
INST126
09/21/17
Pair programming is a software development technique in which two people
put their minds together at one workstation. The roles are as follows: the d
Midterm
AREC 365, Fall 2016
Instructions : You must answer every question to receive full credit. The answers to
questions 1 through 24 must be entered into a scantron sheet. You may keep the first tw
Adrian Addae
STAT100 (0201)
July 17, 2017
MINITAB Assignment 2
1.
Distribution of Brick Density Fired at 100 Degree Farenheit for Sample of 35 Distribution of Brick Density Fired at 125 Degree Farenhe
The Abundant Life
Above all, taking the shield of faith with which you will be able to
quench all the fiery darts of the Wicked One
Narrator: Before this crash I was someone who was loved by many and
Wan-Yu Chen
STAT100
MINITAB Assignment 1
1a.
b.
c.
d. 12% of caps were white with logo from the population found in C1.
e. 12% of caps were white with logo from the random sample found in C6.
f. No, m
Wan-Yu Chen
STAT100
MINITAB Assignment 1
1a.
b.
c.
d. 12% of caps were white with logo from the population found in C1.
e. 12% of caps were white with logo from the random sample found in C6.
f. No, m
Wan-Yu Chen
STAT100
MINITAB Assignment 2
1
a.
b. the mean, standard deviation, median, and interquartile range for this data are
7.3610, 3.7797, 6.5500 and 4.3750
c. The best measure of the center is
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le
A family plans to have 3 children. For each birth, assume that the probability of a boy is the same as the
probability of a girl. What is the probability that they will have at least one boy and at le