Skip to main content

Many young men in North America and Europe (but not in Asia) tend to think they need more muscle to be attractive. One study presented 200 young American men with 100 images of men with various levels of muscle. Researchers measure level of muscle in kilograms per square meter (??/?2) of fat‑free body mass. Typical young men have about 20 ??/?2 . Each subject chose two images, one that represented his own level of body muscle and one that he thought represented “what women prefer.” The mean gap between self‑image and “what women prefer” was 2.35 ??/?2 . Suppose that the “muscle gap” in the population of all young men has a Normal distribution with standard deviation 2.5 ??/?2 . Give a 90% confidence interval for the mean amount of muscle young men think they should add to be attractive to women. (Enter your answers rounded to four decimal places.) lower limit=                     upper limit=

Question

Many young men in North America and Europe (but not in Asia) tend to think they need more muscle to be attractive. One study presented 200 young American men with 100 images of men with various levels of muscle. Researchers measure level of muscle in kilograms per square meter (??/?2) of fat‑free body mass. Typical young men have about 20 ??/?2 . Each subject chose two images, one that represented his own level of body muscle and one that he thought represented “what women prefer.” The mean gap between self‑image and “what women prefer” was 2.35 ??/?2 .

Suppose that the “muscle gap” in the population of all young men has a Normal distribution with standard deviation 2.5 ??/?2 . Give a 90% confidence interval for the mean amount of muscle young men think they should add to be attractive to women. (Enter your answers rounded to four decimal places.)

lower limit=                    
upper limit=
 
 
Expert Solution

Want to see the full answer?

Check out a sample Q&A here
Blurred answer
Students who’ve seen this question also like:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN: 9780079039897
Author: Carter
Publisher: McGraw Hill
Not helpful? See similar books
Learn more about
Estimation
marketing sidebar icon
Want to see this answer and more?
Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*
*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: of all adults in a population would say “good” and 65% would say “bad” if they were asked how they…

A: Given: p = 35% = 0.35 n = 1000 The variance is calculated as: The standard deviation can be…

Q: A recent survey of a social media site user statistics had four categories (reasons) for using the…

A: Given information- We have given a result of a recent survey of a social media site user statistics…

Q: In a survey of 52 students in the cafeteria, it was found that 15 were commuters. If one-quarter of…

A: Let there were x females and y males. So, x+y=52   Given that one-quarter of the female students and…

Q: Inspired by the example about how background music influences choice of entrée at a restaurant, a…

A: It was stated that Inspired by the example about how background music influences choice of entrée at…

Q: Inspired by the example about how background music influences choice of entrée at a restaurant, a…

A: The following data is available in the question   Survey Type   Color of Candy Red Blue Control…

Q: Inspired by the example about how background music influences choice of entrée at a restaurant, a…

A: Given:

Q: Inspired by the example about how background music influences choice of entrée at a restaurant, a…

A: Given information: The data is provided is: Observed frequencies(Oij):   Red  Blue Control Total…

Q: At the end of a rock concert, representatives of the featured performer randomly selected 50 of the…

A: Here, performer randomly selected 50 of the attendees and had them fill out a survey that asked them…

Q: After a hard-fought football game, it was reported that, of the 11 startingplayers, 8 hurt a hip, 6…

A: The total members in the team P are 11, i.e., P=11. Let Adenote the event, that a player has broken…

Q: 6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next 5 sundaes sold…

A: The probability that sundaes sold had nuts is, Psold sundaes have nuts=610=0.6 The probability that…

Q: A research study in 2004 examined factors that contribute to interpersonal attraction to try and…

A: Given info: How likely is it that you will marry someone whose last name begins with the same letter…

Q: If a child psychologist wanted to determine if there is a relationship between gender of a child and…

A: Chi-square test of independence should be used here.

Q: We ask if visual memory ability for a sample of 25 art major (x=49) is better than that of engineers…

A: From the given information sample size = 25 . Sample mean = 49  Population mean = 45 and population…

Q: When the students were asked to come up with a topic for their assignment, “Amount of Time Spent by…

A: The data shows the time they spent playing online games daily.

Q: We would expect about 68% of the seniors to score between ______ and _______.

A: Let , X→N(μ=460 , σ=76) Our aim is to find the bout 68% of the seniors to score between ______ and…

Q: A survey was administered to 1000 Broward college students. 30% of the respondents indicated that…

A: Let x denotes number of students who prefer online classes over face to face classes and n denotes…

Q: In a study of 900 adults, 45 out of 325 men in the study said they preferred to rent a movie on DVD…

A: From the provided information, Total adults = 900 Total men = 325 The number of men who preferred to…

Q: A participant in a cognitive psychology study is given 50 words to remember and later asked to…

A: We have given that  The number of words given to participant is =50 And ask to recall as many as…

Q: To compare two elementary schools regarding teaching of reading skills, 12 sets of identical twins…

A: Null and alternative hypotheses: Given data represents the scores of school-A and school-B for 12…

Q: To compare two elementary schools regarding teaching of reading skills, 12 sets of identical twins…

A: Null and alternative hypotheses: Given data represents the scores of school-A and school-B for 12…

Q: A US consumer magazine asked all adult subscribers whether they had used alternative medical…

A: The set or collection of all possible observations is defined as the population. The proper subset…

Q: A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The…

A: Let us consider S, B,  and C represents size, brand, and color respectively. We are given that |S| =…

Q: A survey showed that 23% of college students read internet news on a regular basis and that 82% of…

A: Given that  A survey showed that  College students read internet news on regular basis is 23% = P(I)…

Q: A sample of 200 college undergraduates was collected and the student’s gender and method of getting…

A: Proportion is a fraction of population or sample which is having a specific characteristic of…

Q: A sample of 200 college undergraduates was collected and the student’s gender and method of getting…

A: Click to see the answer

Q: Which describes the association between the number of DVDS sold and the number of DVDS rented?

A: Our aim is to describe the association between the number of DVDs sold the number of DVDs rented.…

Q: A milk company surveyed some of their customers to find out how many people like chocolate milk…

A: Click to see the answer

Q: Out of 1000 people surveyed, 850 said they like chocolate.  What proportion of people surveyed said…

A: Given: The total number of people surveyed is 1000 850 people said they like chocolate We have to…

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: It is given that in a survey of 150 people revealed that 115 people like ketchup on their hot dogs,…

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: A health psychologist want to investigate whether there is a relationship between sex and food…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: A survey was conducted at UP Manila where 80 students were randomly asked whether they liked…

A: Click to see the answer

Q: A poll was taken of 208 students at a commuter campus to find out how they got to campus. How many…

A: Click to see the answer

Q: The principal at a local high school claims that the proportion of high school males taking AP…

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPART PLZ REPOST FOR REMAINING PARTS

Q: If a group of data 4,6,3,8,5,5,9,10, and 30 were gathered, which will be the best to represent the…

A: The numbers are given as  4 , 6 , 3 , 8 , 5 , 5 , 9 , 10 , 30 Its average is given by…

Q: If a group of data 4,6,3,8,5,5,9,10, and 30 were gathered, which will be the best to represent the…

A: Median  will be the best to represent the average in this group of data.

Q: if a survey found that 205 out of a random sample of 500 magazine readers said that they read the…

A: It is given that a national publishing house claims that 45% of all weekly magazine readers in South…

Q: Cody wants to compare how students in two grades use the school library. For one week, he records…

A: Click to see the answer

Q: A survey asked buyers whether color, size, or brand influenced their choice of cell phone. How many…

A: This problem involving 3 sets : Color, Size and Brandn(Color)=5n(Size)=8n(Brand)=16n(Color and…

Q: If the Syracuse men's basketball team won 18 games and lost 10, and the Syracuse women's basketball…

A: Click to see the answer

Q: A potato chip manufacturer was building a new manufacturer plant and tgey were trying to decide…

A: Solution

Q: Psychologists have been investigating the differences between people with at least one brother or…

A: Click to see the answer

Q: The manager of the company wanted to find out the type of temperaments his employees possess whether…

A: Chi-square for Independence: A single simple random sampling is done with each individual being…

Q: In a survey of middle school students, 70% play basketball and 40% play basketball and football. Of…

A: Click to see the answer

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: Given,n=50x=33p^=xn=3350 =0.66α=0.05

Q: that about 18 percent of all businesses in the United States are minority-owned.Brian lives in…

A: Given: Percent of all businesses in the United States that are minority-owned = 18 % population =…

Q: what percentage of the women did not work?

A: men women total work 15 23 80 not work 23 28 51 total 38 93 131 percentage of the women…

Q: The bureau of Transportation Statistics reports on-time performance for airlines at major u.S.…

A: Click to see the answer

Q: The bureau of Transportation Statistics reports on-time performance for airlines at major u.S.…

A: In this question, we are assuming that the flight lands on Terminal C. The probability that are…

Q: Mrs. Bollo's second grade class of 30 students conducted a pet ownership surve Results of the survey…

A: Click to see the answer

Knowledge Booster
Statistics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
  • Glencoe Algebra 1, Student Edition, 9780079039897...
    Algebra
    ISBN:9780079039897
    Author:Carter
    Publisher:McGraw Hill
    Big Ideas Math A Bridge To Success Algebra 1: Stu...
    Algebra
    ISBN:9781680331141
    Author:HOUGHTON MIFFLIN HARCOURT
    Publisher:Houghton Mifflin Harcourt
    Holt Mcdougal Larson Pre-algebra: Student Edition...
    Algebra
    ISBN:9780547587776
    Author:HOLT MCDOUGAL
    Publisher:HOLT MCDOUGAL
  • Glencoe Algebra 1, Student Edition, 9780079039897...
    Algebra
    ISBN:9780079039897
    Author:Carter
    Publisher:McGraw Hill
    Big Ideas Math A Bridge To Success Algebra 1: Stu...
    Algebra
    ISBN:9781680331141
    Author:HOUGHTON MIFFLIN HARCOURT
    Publisher:Houghton Mifflin Harcourt
    Holt Mcdougal Larson Pre-algebra: Student Edition...
    Algebra
    ISBN:9780547587776
    Author:HOLT MCDOUGAL
    Publisher:HOLT MCDOUGAL