PG. 361; #2, #4
Class Participation Exercise
PG. 314; #12
Problem Statement:
The company of exercise 2 is considering ways to randomly survey their employees. For
each of these proposal designs, identify the problem.
Answer:
a.) Leave a stack of surveys o
PG. 365; #50
Class Participation Exercise 7
Problem Statement:
Pepsi; For a sales promotion, the manufacturer places winning symbols under the caps of
10% of all Pepsi bottles. You buy a six-pack. What is the probability that you win something?
Answer:
We
Chapter 1.Population: the collection under study.Sample: Subset of the population; stratified, cluster, systematic, convenience, with/without replacement.Statistic:
property of a sample.Parameter: property of a population.Quantitative discrete: counted.Qu
Finished
2,3,4
Not Yet Finished
1,5,6
Group HW Project #1 - Problem #1 - First Installment
Problem Statement:
A study was done regarding how the number of minutes given for a certain ten-point exam
affected the resulting exam score. Forty students of simi
Finished
1,2,3,4,5,6
Not Yet Finished
Group HW Project #1 - Problem #3 - First Installment
Problem Statement:
See table 1.9 (included on reverse side) titled Calories and sodium in three types of hot dogs.
Refer only to the columns under the heading Poult
c2df
m = df (degrees of freedom = n-1)
s = sqrt(2(df)
df = (# rows-1)*(# columns -1)
The curve is nonsymmetrical and skewed to the right
There is a different chi-square curve for each df
The test statistic for any test is always > 0
When df > 90, c2 appr
PG. 410 #46
Class Participation Exercise
Problem statement:
Pets
The American Veterinary Association claims that the annual cost of medical care
for dogs averages $100, with a standard deviation of $30, and for cats averages $120, with a
standard deviatio
Finished
Not Yet Finished
Group HW Project #2 - Problem #1 - First Installment
Problem Statement:
650 Portlanders (230 male, 420 females) respond to a TV poll. A combined sample of 130 was
then made from a random 84 of the 420 females, and a random 46 of
Population- collection under study Sample- subset of the population; stratified, cluster, systematic,
convenience; with/without replacement Statistic- property of sample Parameter- property of a population
Mean- average(sum of all data/#of data points) Me
MTH 243
6/4/16
Class Participation Exercise
Problem Statement:
a) Now that you have (almost!) finished MTH 243, Statistics I: Imagine a student friend
of yours at PCC is considering taking this course in the future. Your friend asks you what the
course is
Tyler Lunceford
MTH 243
5/3/16
PG. 407 #13
Class Participation Exercise
Problem statement:
A couple plans to have children until they get a girl, but they agree that they will not have
more than three children even if all are boys. (Assume boys and girls
Do not click!
Teaching and Learning
With Technology
Welcome to Math 65
Manually navigating Power Points format
Larissa Shatalova
Section 6.1
The Greatest Common Factor; Factoring by Grouping
Objectives
Find the greatest common factor
Factor out the great
Do not click!
Teaching and Learning
With Technology
Welcome to Math 65
Manually navigating Power Points format
Larissa Shatalova
Section 6.3
Factor trinomials using the grouping method
Factor trinomials after factoring out the GCF
Factoring Trinomials
Do not click!
Teaching and Learning
With Technology
Welcome to Math 65
Manually navigating PowerPoint format
Larissa Shatalova
Section 6.4
Factoring
Perfect-Square Trinomials and
the Difference of Two Squares
Objectives
Recognize perfect-square trinomial
Do not click!
Teaching and Learning
With Technology
Welcome to Math 65
Manually navigating Power Points format
Larissa Shatalova
Section 6.2
Factoring Trinomials of the Form
x2 + bx + c
a=1
Objectives
Factor trinomials of the form x2 + bx + c using the
g
Math 251 Calculus 1
Name: _
Week 1 Workshop (Sections 1.1-1.3)
1)
The entire graph of y = f ( x ) is shown.
a) What is the domain of f? [0, 7]
b) What is the range of f? [-2, 5]
c) List all the zeros of f. 5
d) List all intervals on which f is decreasing.