Question
In: Statistics and Probability
People were surveyed worldwide, being asked the question "How important is acquiring wealth to you?" Of...
People were surveyed worldwide, being asked the question "How important is acquiring wealth to you?" Of 1518
respondents in country 1148 said that it was of more than average importance. In country B, of 1314 respondents,
614 said it was of more than average importance.
a) What proportion thought acquiring wealth was of more than average importance in each country's sample?
b) Create a 99% confidence interval for the percentage of people who thought it was of more than average importance in country A. (Be sure to test conditions.) Compare that to a confidence interval for the country B population.
Solutions
Expert Solution
here
there is no need to test conditions because we can easily see that
for both population n>30 and also X>10, which we can also say
the general assumptions to apply z critical score value or apply to
z test for small sample.
hii..i
am trying to provide the detailed answer to you. if you have any
doubt please ask by comment i will try to respond you as soon as
will be possible. thanks....
orchestra answered 2 years agoRelated Solutions
People were surveyed worldwide, being asked the question "How important is acquiring wealth to you?" Of...
People were surveyed worldwide, being asked the question "How
important is acquiring wealth to you?" Of 1545 respondents in
country A, 1129 said that it was of more than average importance.
In country B, of 1323 respondents, 594 said it was of more than
average importance. a) What proportion thought acquiring wealth
was of more than average importance in each country's sample? b)
Create a 90% confidence interval for the percentage of people who
thought it was of more than...
People were surveyed worldwide, being asked the question "How important is acquiring wealth to you?" Of...
People were surveyed worldwide, being asked the question "How
important is acquiring wealth to you?" Of 1513 respondents in
country A, 1102 said that it was of more than average importance.
In country B, of 1294 respondents, 611 said it was of more than
average importance. a) What proportion thought acquiring wealth
was of more than average importance in each country's sample? b)
Create a 90 % confidence interval for the percentage of people who
thought it was of more...
In a recent national poll, people were asked the following question: "In your opinion, how important...
In a recent national poll, people were asked the following
question: "In your opinion, how important is it to improve the
nation's inner-city schools?" The responses of city residents who
do not have school-age children were compared to the national
responses. A chi square test was used to analyze the data in order
to determine whether there is a difference in responses between
those who live in cities and do not have school-age children and
the national responses. The results...
40 individuals were surveyed and asked the following question: How many days a week do you...
40 individuals were surveyed and asked the following question:
How many days a week do you typically exercise? The table below
shows the responses. Use the following table to answer the
questions below.
Names
How many times a week do you typically
exercise?
1
6
2
5
3
6
4
4.5
5
5
6
6
7
5
8
3
9
6
10
4
11
5
12
6
13
4
14
6
15
6
16
3
17
3
18
5
19...
The GSS 2014 respondents in the U.S. were asked, "How important do you think that being...
The GSS 2014 respondents in the U.S. were asked, "How
important do you think that being a Christian is for being truly
American?" Responses were measured on a 4-point scale: 1=very
important, 2=fairly important, 3=not very important, 4=not
important at all. We will treat this variable as interval/ratio.
Those with a high school degree had an average score of 2.35 (s =
1.21, n = 189). Those with a bachelor’s degree had an average score
of 3.05 (s = 1.05,...
2. A random sample of 395 people were surveyed and each person was asked to report...
2. A random sample of 395 people were surveyed and each person
was asked to report the highest education level they obtained. The
data that resulted from the survey is summarized in the following
table:
High School Bachelors
Masters Ph.d. Total
Female 60 54 46
41 201
Male 40 44 53
57 194
Total 100 98 99
98 395
a. Are gender and education level dependent at 5% level of
significance? (6mks)
b.State and explain two methods of studying...
In a recent survey, 2033 people were surveyed as to how many people preferred Tinder and...
In a recent survey, 2033 people were surveyed as to how many
people preferred Tinder and how many people preferred Happn (a
local dating website) and how many preferred Tinder in New York and
Arizona. It was found that 1690/2033 people in New York liked using
Tinder while 343/2033 preferred Happn and in Arizona, 1853/2033
people liked using Tinder while 180/2033 liked using Happn.
Construct and interpret a 95% confidence interval for the
difference between the two dating website preferences....
Question 1 In a survey, 31 people were asked how much they spent on their child's...
Question 1
In a survey, 31 people were asked how much they spent on their
child's last birthday gift. The results were roughly bell-shaped
with a mean of $47 and standard deviation of $4. Construct a
confidence interval at a 98% confidence level.
Give your answers as ¯x±ME to one decimal place.
_____ ± ____
Question 2
The table below contains the birth weights in grams of 26
African American babies born at BayState Medical Center in
Springfield, Massachusetts in...
Twenty students were surveyed this week at MPC, these students were asked how many units they...
Twenty students were surveyed this week at MPC, these students
were asked how
many units they were enrolled in for the semester. Below are
the responses from the
twenty students.
13 15 9 12 4 14 15 8 1 6
11 8 18 3 12 10 14 11 7 12
a. Make a frequency distribution of this data. Use 5 classes
(aka bins) with a class
width of 4, and let the first class have a lower limit of 1....
Answer the following question as if it were being asked during an interview for a job....
Answer the following question as if it were being asked during
an interview for a job. What would your skills and personality
contribute to a programming team?
Be sure to include details in your answer. What are your
strengths? What are you passionate about? Why do you want a job as
a programmer? Your response should be 1-2 well-formed
paragraphs.
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- An asset is purchased on January 1 for $48,700. It is expected to have a useful...
- Do we have any online or offline tool to convert c and cpp programs into MIPS...
- -what is the pH of HCl 0,1M and NaCl 0,1M mixed together solution? -What is the...
- function X=extractDWT(x_train,startS,endS,wStep,wRange) % x_train = input signal % startS = from second % endS = end...
- Do you agree that Social Loafing is similar to Theory X. Give an example to support...
- Computing Cost of Goods Sold and Ending Inventory. Bartov Corporation reports the following beginning inventory and...
- SQL FORMAT (11-13 are completed and correct) -- 11. what are the names of all students...
ADVERTISEMENT