If families in a mall local community have anual incomes which are normally distributed with a mean of $38,500 and a standard deviation of 5400, then determinethe percentile rank of a family with an income of 36,000O 30QUESTION 10

Answer - A normal distribution with mean μ = $38500 and standard deviation σ = $4800…

Answered: If families in a sall local community…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A survey found that women's heights are normally distributed with mean 63.6 in. and standard deviation 3.7 in. The survey also found that men's heights are normally distributed with mean 67.7 in. and standard deviation 3.6 in. Most of the live characters employed at an amusement park have height requirements of a minimum of 55 in. and a maximum of 64 in. Complete parts (a) and (b) below. a. Find the percentage of men meeting the height requirement. What does the result suggest about the genders of the people who are employed as characters at the amusement park? The percentage of men who meet the height requirement is %. (Round to two decimal places as needed.) Since most men the height requirement, it is likely that most of the characters are b. If the height re jed to exclude only the tallest 50% of men and the shortest 5% of men, what are the new height requirements? meet The new height r imum of in. and a maximum of in. do not meet (Round to one de d.)
A survey found that women's heights are normally distributed with mean 63.4 in. and standard deviation 3.9 in. The survey also found that men's heights are normally distributed with mean 69.1 in. and standard deviation 3.9 in. Most of the live characters employed at an amusement park have height requirements of a minimum of 57 in. and a maximum of 62 in. a. The percentage of men who meet the height requirement is %. (Round to two decimal places as needed.) b. If the height requirements are changed to exclude only the tallest 50% of men and the shortest 5% of men, what are the new height requirements? what is the new height requirements are a minimum of and a maximum of in. (Round to one decimal place as needed.)
The hip width x of adult females is normally distributed with a mean of 38.3 cm and a standard deviation of 4.37 cm. The maximum width of an aircraft seat that will accommodate 86% of all adult women is about: (Give your answer to one decimal places if necessary.)
Because of different sales ability, experience, and devotion, the incomes of real estate agents vary considerably. Suppose that in a large city the annual income is normally distributed with a standard deviation of $15,000. A real estate industry expert claims that the mean annual income of all real estate agent in the city is equal to $79000. A sample of 30 real estate showed that their mean annual income was $84230. Test the manager's claim using a level of significance of 0.05. what is your conclusion
According to the American Automobile Association (AAA), the average cost of a gallon of regular unleaded fuel at gas stations in April 2007 was $2.83 (AAA Fuel Gauge Report). Assume that the standard deviation of such costs is $0.15. Suppose that a random sample of n = 100 gas stations is selected from the population and the April 2007 cost per gallon of regular unleaded fuel is determined for each. Consider , the sample mean cost per gallon. What is the approximate probability that the sample has a mean fuel cost of between $2.57 and $2.90? Please show step by step with formula.
A survey found that women's heights are normally distributed with mean 62.4 in. and standard deviation 2.9 in. The survey also found that men's heights are normally distributed with mean 67.5 in. and standard deviation 3.1 in. Most of the live characters employed at an amusement park have height requirements of a minimum of 56 in. and a maximum of 64 in. Complete parts (a) and (b) below. a. Find the percentage of men meeting the height requirement. What does the result suggest about the genders of the people who are employed as characters at the amusement park? The percentage of men who meet the height requirement is nothing%. (Round to two decimal places as needed.) Since most men ▼ do not meet meet the height requirement, it is likely that most of the characters are ▼ b. If the height requirements are changed to exclude only the tallest 50% of men and the shortest 5% of men, what are the new height requirements? The new height requirements are a…
In a certain country the heights of adult men are normally distributed with a mean of 70.2 inches and a standard deviation of 2.7 inches. The country's military requires that men have heights between 66 inches and 79 inches. Determine what percentage of this country's men are eligible for the military based on height. The percentage of men that are eligible for the military based on height is nothing%. (Round to two decimal places as needed.)
The number of chocolate chips in an 18oz bay of Chips Ahoy! chocolate chip cookies si approximately normally distributed with a mean of 1262 chips and standard deviation 118 chips according to a 1999 study. Assume the cookies have not changed since then. 1.) What proportion of 18oz bags of Chips Ahoy! contains more than 1200 chocolate chips? 2.)How many chips would be in a bag of Chips Ahoy! that is at the 30th percentile? 3.) What proportion of 18oz bags of Chips Ahoy! contains fewer than 1125 chocolate chips? 4.) What is the probability that a randomly selected 18oz bag of Chips Ahoy! contains between 1000 and 1400 chocolate chips, inclusive?
(AKS 24): A technology magazine finds data that suggests the prices of computers with a specific configuration follow an approximately normal distribution with a mean of $895.22 and a standard deviation of $109.30. The magazine wants to describe the percentage of these computers that are priced below $600. WWhat Z-Score should they use? O a) z = 1.3 %3D O b) z = -1.3 c) z = -2.7 %3D d) z = 2.7 Question 2 (1 point) (AKS 24): A set of laptop prices are normally distributed with a mean of $750 and a
A survey found that women's heights are normally distributed with mean 62.1 in. and standard deviation 3.5 in. The survey also found that men's heights are normally distributed with mean 69.8 in. and standard deviation 3.9 in. Most of the live characters employed at an amusement park have height requirements of a minimum of 56 in. and a maximum of 63 in. Complete parts (a) and (b) below. a. Find the percentage of men meeting the height requirement. What does the result suggest about the genders of the people who are employed as characters at the amusement park? The percentage of men who meet the height requirement is:
A survey found that women's heights are normally distributed with mean 63.8 in and standard deviation 2.4 in. A branch of the military requires women's heights to be between 58 in and 80 in. a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall? b. If this branch of the military changes the height requirements so that all women are eligible except the shortest 1% and the tallest 2%, what are the new height requirements? Click to view page 1 of the table. Click to view page 2 of the table. 1%. a. The percentage of women who meet the height requirement is (Round to two decimal places as needed.) Are many women being denied the opportunity to join this branch of the military because they are too short or too tall? OA. Yes, because a large percentage of women are not allowed to join this branch of the military because of their height. OB. No, because the…
The times it takes students to finish an exam is normally distributed, with a mean of 85minutes, and a standard deviation of 18minutes. a. What is the chance a student takes at least75 minutes? b. If a random sample of 53students is taken, what is the chance their average time is less than 90minutes? c. Find the 90thpercentile of the times.

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

If families in a sall local community have anal incomes which are oally distributed with a men of $38,500 and a stadand deviation of 5400, then determine the percentile rank of a family with an income of 36,000 O30