Homework Answers
a) This is an observational study.
b) The population is adults in United states, sample is sampled 2276 adults in the United States who were surveyed.
c) 33% is observed in a sample, so this value is a statistic.
Add Answer to:
1) In a survey, 2276 adults in the United States, it was found that 33% of...
#25,27,29,31,33 Ages of Adults in the United States Who Own Automobiles Incomes of Home Owners in...
#25,27,29,31,33
Ages of Adults in the United States Who Own Automobiles Incomes of Home Owners in 23. Ages of adults in the US who own Honda home owners in Massachusetts Incomes of home owners in Massachusetts without mortgages Ages of adults in the U.S who own automobiles made by a company other than Honda Using and Interpreting Concepts Identifying Data Sets In Exercises 25-34, identify the population and the sample. Describe เhe sample data set. 25, A survey of 1020...
6)A survey of adults in the United States found that 60% ate at a restaurant at...
6)A survey of adults in the United States found that 60% ate at a restaurant at least once in the past week. You randomly select 28 adults and ask them whether they ate at a restaurant at least once in the past week (a) Verify that a normal distribution can be used to approximate the binomial distribution. (b) Find the probability that at most 13 adults ate at a restaurant at least once in the past week.
1. In a survey, 1465 internet users chose to respond to this question posted on a...
1. In a survey, 1465 internet users chose to respond to this question posted on a newspaper’s electronic edition: Is news online as satisfying as print and TV news? 52% of the respondents said yes. (a) Determine whether the study is an experimental or an observational study. (b) Identify the sample and the population. (c) Is the value 52% a statistic or a parameter? (d) Identify a major problem with the study. 2. A store manager kept track of the...
1. A telephone survey of 2000 Americans found that "Overall, about half of Americans in the...
1. A telephone survey of 2000 Americans found that "Overall, about half of Americans in the poll say that bringing back the McDonald's McRib has a positive impact on American communities. Only 16 percent view it as a negative impact while one-third said that it had no impact at all." a. Is this an observational study or an experiment? b. What is the population of interest? c. What is the sample? d. Is 16% a parameter or a statistic?
A survey of 570 working adults in the United States asked each participant how many hours...
A survey of 570 working adults in the United States asked each participant how many hours they worked last week. The survey showed an average of 41.525 hours worked per week, with a standard deviation of 14.828 hours. (Note that this is the average for people that work in the United States, including part-time employees. Among full time employees, the average work week is closer to 47 hours. Link if you're interested: http://www.gallup.com/poll/175286/hour-workweek-actually-longer-seven-hours.aspx) Is there enough evidence to show that...
Unexpected expense. In a random sample 765 adults in the United States, 322 say they could...
Unexpected expense. In a random sample 765 adults in the United States, 322 say they could not cover a $400 unexpected expense without borrowing money or going into debt. (a) What population is under consideration in the data set? (b) What parameter is being estimated? (c) What is the point estimate for the parameter? (d) What is the name of the statistic can we use to measure the uncertainty of the point estimate? (e) Compute the value from part (d)...
1, In 1943, an organization surveyed 1100 adults and asked, "Are you a total abstainer from,...
1, In 1943, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you on occasion consume, alcoholic beverages?" Of the 1100 adults surveyed, 385 indicated that they were total abstainers. In a recent survey, the same question was asked of 1100 adults and 363 indicated that they were total abstainers. Complete parts (a) and (b) below. (a) Determine the sample proportion for each sample. The proportions of the adults who took the 1943 survey...
In a survey of sleeping habits, 8400 national adults were selected randomly And contacted by phone....
In a survey of sleeping habits, 8400 national adults were selected randomly And contacted by phone. Respondents were asked "typically how many times per week do you sleep less than 6 hours during the night" on average those surveyed reported an average of 1.8 nights per week in which they got less than 6 hours of sleep. The number 1.8 in this setting is a what? A. Parameter B. Population C. Statistic D. Sample
Suppose a survey of 577 women in the United States found that more than 64% are...
Suppose a survey of 577 women in the United States found that more than 64% are the primary investor in their household. Which part of the survey represents the descriptive branch of statistics? Make an inference based on the results of the survey. Choose the best statement of the descriptive statistic in the problem.
Marijuana Survey: In a recent Pew poll of 1500 adults, 52% of the respondents said that...
Marijuana Survey: In a recent Pew poll of 1500 adults, 52% of the respondents said that the use of marijuana should not be made legal. In the same poll, 23% of the respondents said that the use of marijuana for medical purposes should not be legal. The sample of 1500 adults was selected from the population of all adults in the United States. The method used to select the sample was equivalent to placing the names of all adults in...
#25,27,29,31,33
Ages of Adults in the United States Who Own Automobiles Incomes of Home Owners in 23. Ages of adults in the US who own Honda home owners in Massachusetts Incomes of home owners in Massachusetts without mortgages Ages of adults in the U.S who own automobiles made by a company other than Honda Using and Interpreting Concepts Identifying Data Sets In Exercises 25-34, identify the population and the sample. Describe เhe sample data set. 25, A survey of 1020...
1. A telephone survey of 2000 Americans found that "Overall, about half of Americans in the poll say that bringing back the McDonald's McRib has a positive impact on American communities. Only 16 percent view it as a negative impact while one-third said that it had no impact at all." a. Is this an observational study or an experiment? b. What is the population of interest? c. What is the sample? d. Is 16% a parameter or a statistic?
A survey of 570 working adults in the United States asked each participant how many hours they worked last week. The survey showed an average of 41.525 hours worked per week, with a standard deviation of 14.828 hours. (Note that this is the average for people that work in the United States, including part-time employees. Among full time employees, the average work week is closer to 47 hours. Link if you're interested: http://www.gallup.com/poll/175286/hour-workweek-actually-longer-seven-hours.aspx) Is there enough evidence to show that...
Most questions answered within 3 hours.
-
Among 100 engineering students, 15 are chemical engineering
majors, 60 are undergraduates, and 5 are undergraduates...
asked 23 minutes ago -
On September 3, 2018, the Robers Company exchanged equipment
with Phifer Corporation. The facts of the...
asked 9 minutes ago -
Which one of the following statements about photophosphorylation
is false?
Question 3 options:
It can be...
asked 10 minutes ago -
In (Figure 1), the total resistance is 10.0 kΩ , and the
battery's emf is 22.0...
asked 24 minutes ago -
Prepare a series of 50 mL quinine standard solutions (10, 1.0,
0.10, 0.010, 0.0010μg/mL) by serial...
asked 26 minutes ago -
suppose a research organization conducts of annual expenditures.
The sampling bias of one sort or another...
asked 38 minutes ago -
A positive charge traveling along a magnetic field experiences
no magnetic force (True,False)
asked 45 minutes ago -
Propose a mechanism for the photoreduction of acetaphenone. How
many products can be formed? Draw their...
asked 44 minutes ago -
Fogerty Company makes two products—titanium Hubs and Sprockets.
Data regarding the two products follow:
Direct
Labor-Hours...
asked 47 minutes ago -
The correct answer will be upvoted with positive feedback,
giving me incorrect answers will result in...
asked 1 hour ago -
Question:
Evaluation: Answer both (a) and (b): (a) Looking at
Table 6.1 in our text, explain...
asked 1 hour ago -
What is the maximum number of edges that a graph on 7 vertices can
have if...
asked 1 hour ago