Question

According to the Stern Marketing Group, 9 out of 10 professional women say that financial planning...



According to the Stern Marketing Group, 9 out of 10 professional women say that financial planning is more important today than it was five years ago. Where do these women go for help in financial planning? Forty-seven percent use a financial advisor (broker, tax consultant, financial planner). Twenty-eight percent use written sources such as magazines, books, and newspapers. Suppose these figures were obtained by taking a sample of 640 professional women who said that financial planning is more important today than it was five years ago.

a. Construct a 95% confidence interval for the proportion of professional women who use a financial advisor. Use the percentage given in this problem as the point estimate.
b. Construct a 90% confidence interval for the proportion of professional women who use written sources. Use the percentage given in this problem as the point estimate.



(Round your answers to 4 decimal places.)

a.   ≤ p ≤  
b.   ≤ p ≤  

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1


0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
according to the stern marketing group, 9 out of 10 professional women say that financial planning...
according to the stern marketing group, 9 out of 10 professional women say that financial planning is more important today than it was five year ago. where do these women go for help in financial planning? forty-seven percent use a financial advisor (broker,tax consultant, financial planner). twenty-eight percent use written sources such as magazines, books, and newspapers. suppose these figures were obtained by taking a sample of 470 professional women who said that financial planning is more important today than...
According to the Stern Marketing Group, 9 out of 10 professional women say that financial planning...
According to the Stern Marketing Group, 9 out of 10 professional women say that financial planning is more important today than it was five years ago. Where do these women go for help in financial planning? Forty-seven percent use a financial advisor (broker, tax consultant, financial planner). Twenty-eight percent use written sources such as magazines, books, and newspapers. Suppose these figures were obtained by taking a sample of 530 professional women who said that financial planning is more important today...
1. According to the Stern Marketing Group, 9 out of 10 professional women say that financial...
1. According to the Stern Marketing Group, 9 out of 10 professional women say that financial planning is more important today than it was five years ago. Where do these women go for help in financial planning? Forty-seven percent use a financial advisor (broker, tax consultant, financial planner). Twenty-eight percent use written sources such as magazines, books, and newspapers. Suppose these figures were obtained by taking a sample of 630 professional women who said that financial planning is more important...
You recently sent out a survey to determine if the percentage of adults who use social...
You recently sent out a survey to determine if the percentage of adults who use social media has changed from 62%, which was the percentage of adults who used social media five years ago. Of the 2371 people who responded to survey, 1650 stated that they currently use social media. a) Use the data from this survey to construct a 93% confidence interval estimate of the proportion of adults who use social media. Record the result below in the form...
You recently sent out a survey to determine if the percentage of adults who use social...
You recently sent out a survey to determine if the percentage of adults who use social media has changed from 56%, which was the percentage of adults who used social media five years ago. Of the 2519 people who responded to survey, 1718 stated that they currently use social media. a) Use the data from this survey to construct a 98% confidence interval estimate of the proportion of adults who use social media. Record the result below in the form...
1/ A physical therapist wants to determine the difference in the proportion of men and women...
1/ A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if she wishes the estimate to be within five percentage points with 95​% confidence, assuming that ​(a)she uses the estimates of 21.8​% male and 18.3​% female from a previous​ year? n = (Round up to the nearest whole​ number.) ​(b) she does not use any prior​ estimates? 2/ A survey​ asked,...
1) Total plasma volume is important in determining the required plasma component in blood replacement therapy...
1) Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random sample of 47 male firefighters are tested and that they have a plasma volume sample mean of x = 37.5 ml/kg (milliliters plasma per kilogram body weight). Assume that σ = 7.20 ml/kg for the distribution of blood plasma. (a) Find...
Please read the article and answear about questions. Determining the Value of the Business After you...
Please read the article and answear about questions. Determining the Value of the Business After you have completed a thorough and exacting investigation, you need to analyze all the infor- mation you have gathered. This is the time to consult with your business, financial, and legal advis- ers to arrive at an estimate of the value of the business. Outside advisers are impartial and are more likely to see the bad things about the business than are you. You should...
Illinois Bio Technologies Illinois Bio Technologies (IBTECH) was founded in Rosemont, Illinois, in 1992 by Kelly...
Illinois Bio Technologies Illinois Bio Technologies (IBTECH) was founded in Rosemont, Illinois, in 1992 by Kelly O'Brien, David Roberts, and Barbara Smalley. O'Brien and Roberts, both MDs, were on the research faculty at the Chicago Medical School at the time; O'Brien specialized in biochemistry and molecular biology, and Roberts specialized in immunology and medical microbiology. Smalley, who has a PhD, served a department chair of the Microbiology Department at the same school. The company started as a research and development...
Pandora is the Internet’s most successful subscription radio service. As of June 2013, it had over...
Pandora is the Internet’s most successful subscription radio service. As of June 2013, it had over 200 million registered users (140 million of which access the service via a mobile device) and over 70 million active listeners. Pandora now accounts for more than 70% of all Internet radio listening hours and a 7% share of total U.S. radio listening (both traditional and Internet). At Pandora, users select a genre of music based on a favorite musician, and a computer algorithm...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT