Question

In a​ survey, 800 adults in a certain country were asked how many hours they worked...

In a​ survey, 800 adults in a certain country were asked how many hours they worked in the previous week. Based on the​ results, a​ 95% confidence interval for mean number of hours worked was lower​ bound: 37.6 and upper​ bound: 39.5. Which of the following represents a reasonable interpretation of the​ result? For those that are not​ reasonable, explain the flaw.
​(a) There is a​ 95% chance the mean number of hours worked by adults in this country in the previous week was between 37.6 hours and 39.5 hours.

Homework Answers

Answer #1

The stated interpretation is CORRECT.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
a survey of 2075 adults in a certain country conducted during a period of economic​ uncertainty,...
a survey of 2075 adults in a certain country conducted during a period of economic​ uncertainty, 64​% thought that wages paid to workers in industry were too low. The margin of error was 8 percentage points with 90​% confidence. For parts​ (a) through​ (d) below, which represent a reasonable interpretation of the survey​ results? For those that are not​ reasonable, explain the flaw. ​(a) We are 90​% confident 64​% of adults in the country during the period of economic uncertainty...
When 583 female workers in the 2012 GSS were asked how many hours they worked in...
When 583 female workers in the 2012 GSS were asked how many hours they worked in the previous week, the mean was 37.0 hours, with a standard deviation of 15.1 hours. Does this suggest that the population mean work week for females is significantly different from 40 hours? Answer by: (10 points) A) Identifying the relevant variable and parameter B) Stating the null and alternative hypotheses C) Reporting and interpreting the p-value for the test statistic value D) Explaining how...
A sample of young adults were paused regarding a numbers of hours spent watching Netflix. There...
A sample of young adults were paused regarding a numbers of hours spent watching Netflix. There were 32 adults in the sample with a mean hours wash per week of 11 hours and a standard deviation of one hour. What is the 95% confidence interval for the population mean. a. find both upper and lower bound intervals b. what is the margin of error in the above problem?
The 2006 General Social Survey contains information on the number of hours worked by a respondent...
The 2006 General Social Survey contains information on the number of hours worked by a respondent each week. The mean number of hours worked per week is 39.04, with a standard deviation of 11.51. The sample size is 83. c. Say we increased the sample size to 10,000 and found the same mean and standard deviation. What would be the standard error? d.If we increased the sample size to 10,000 what would be the 95% confidence interval for the mean...
A random sample of 1028 adults in a certain large country was asked​ "Do you pretty...
A random sample of 1028 adults in a certain large country was asked​ "Do you pretty much think televisions are a necessity or a luxury you could do​ without?" Of the 1028 adults​ surveyed, 528 indicated that televisions are a luxury they could do without. Complete parts​ (a) through​ (e) below. Click here to view the standard normal distribution table (page 1).LOADING... Click here to view the standard normal distribution table (page 2).LOADING... ​(a) Obtain a point estimate for the...
A survey of a group of students at a certain college, we call College ABC, asked:...
A survey of a group of students at a certain college, we call College ABC, asked: "About how many hours do you study in a week?" The mean response of the 400 students is 15.8 hours. Suppose that the study time distribution of the population is known to be normal with a standard deviation of 8.5 hours. Use the survey results to construct a 95% confidence interval for the mean study time at the College ABC. Show your work neatly.
A recent survey asked 816 women "how many days in the past seven days have you...
A recent survey asked 816 women "how many days in the past seven days have you felt sad?". The survey data had a median of 1, mean of 1.81, and a standard deviation of 1.98. What is the lower bound of the 95% confidence interval for this item? Round to two decimal places.
A random sample of 1016 adults in a certain large country was asked? "Do you pretty...
A random sample of 1016 adults in a certain large country was asked? "Do you pretty much think televisions are a necessity or a luxury you could do? without?" Of the 1016 adults? surveyed, 533 indicated that televisions are a luxury they could do without. Complete parts? (a) through? (c) below. Click here to view the standard normal distribution table (page 1). LOADING... Click here to view the standard normal distribution table (page 2). LOADING... ?(a) Obtain a point estimate...
A random sample of 1021 adults in a certain large country was asked "Do you pretty...
A random sample of 1021 adults in a certain large country was asked "Do you pretty much think televisions are a necessity or a luxury you could do without?" Of the 1021 adults surveyed, 511 indicated that televisions are a luxury they could do without. Complete parts (a) through (c) below. Click here to view the standard normal distribution table (page 1). LOADING... Click here to view the standard normal distribution table (page 2). LOADING... (a) Obtain a point estimate...
A random sample of 1,175 people in a certain country were asked whether they thought climate...
A random sample of 1,175 people in a certain country were asked whether they thought climate change was a problem. The sample proportion of those who think climate change is a problem was calculated, and a 95 percent confidence interval was constructed as (0.146, 0.214). Which of the following is a correct interpretation of the interval? a) We are 95 percent confident that any sample of 1,175 people will produce a sample proportion between 0.146 and 0.214. B)We are 95...