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Description: Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 90% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 90% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required?254
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A. What is the confidence interval estimate of the population mean

μ?

___million Less than μ less than _____million

What does the result tell us about the population of all celebrities? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice.

-We are

90% confident that the interval from

$____ million to $____

million actually contains the true mean net worth of all celebrities.

(Round to one decimal place as needed.)

-We are confident that

90% of all celebrities have a net worth between

$_____ million and $____

million.

(Round to one decimal place as needed.)

-Because the ten wealthiest celebrities are not a representative sample, this doesn't provide any information about the population of all celebrities.

Do the data appear to be from a normally distributed population as required?

-No, but the points in the normal quantile plot lie reasonably close to a straight line and show some systematic pattern that is a straight line pattern.

-No, because the points lie reasonable close to a straight line, but there is a systematic pattern that is not a straight line pattern.

-Yes, because the pattern of the points in the normal quantile plot is reasonably close to a straight line.

-Yes, but the points in the normal quantile plot do not lie reasonably close to a straight line or show a systematic pattern that is a straight line pattern.

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