Many people struggle with gambling addictions. Gambling addicts can jeopardize their relationships with friends and family as they spiral into deeper and deeper debt. In order to quantify the degree of addiction a gambler suffers, a study surveyed a random sample of 100 gambling addicts. The amount of debt to be repaid is examined, and it is found that they have an average of 9 thousand dollars in gambling debts to repay. Suppose that all conditions are met and that the population standard deviation is o = 2.3 thousand dollars. In this problem, we will systematically investigate what happens to the length of the confidence interval as the sample size quadruples. (a) Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the given sample size, n = 100. (Use a table or technology. Round your answers to three decimal places.) The 95% confidence interval based upon n = 100 is thousand dollars. (b) Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the given sample size, n = 400. (Use a table or technology. Round your answers to three decimal places.) The 95% confidence interval based upon n = 400 is thousand dollars. (c) Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the given sample size, n = 1,600. (Use a table or technology. Round your answers to three decimal places.) The 95% confidence interval based upon n = 1,600 is thousand dollars.

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Description: Many people struggle with gambling addictions. Gambling addicts can jeopardize their relationships with friends and family as theyspiral into deeper and deeper debt. In order to quantify the degree of addiction a gambler suffers, a study surveyed a

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Many people struggle with gambling addictions. Gambling addicts can jeopardize their relationships with friends and family as they
spiral into deeper and deeper debt. In order to quantify the degree of addiction a gambler suffers, a study surveyed a random sample of
100 gambling addicts. The amount of debt to be repaid is examined, and it is found that they have an average of 9 thousand dollars in
gambling debts to repay. Suppose that all conditions are met and that the population standard deviation is o = 2.3 thousand dollars.
In this problem, we will systematically investigate what happens to the length of the confidence interval as the sample size quadruples.
(a) Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the
given sample size, n = 100. (Use a table or technology. Round your answers to three decimal places.)
The 95% confidence interval based upon n = 100 is
thousand dollars.
(b) Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the
given sample size, n = 400. (Use a table or technology. Round your answers to three decimal places.)
The 95% confidence interval based upon n = 400 is
thousand dollars.
(c) Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the
given sample size, n = 1,600. (Use a table or technology. Round your answers to three decimal places.)
The 95% confidence interval based upon n = 1,600 is
thousand dollars.

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Many people struggle with gambling addictions. Gambling addicts can jeopardize their relationships with friends and family as they spiral into deeper and deeper debt. In order to quantify the degree of addiction a gambler suffers, a study surveyed a random sample of 100 gambling addicts. The amount of debt to be repaid is examined, and it is found that they have an average of

10 thousand

dollars in gambling debts to repay. Suppose that all conditions are met and that the population standard deviation is ? = 1.6 thousand dollars.

In this problem, we will systematically investigate what happens to the length of the confidence interval as the sample size quadruples.

(a)

Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the given sample size,

n = 100.

(Use a table or technology. Round your answers to three decimal places.)

The 95% confidence interval based upon

n = 100

thousand

dollars.

(b)

Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the given sample size,

n = 400.

(Use a table or technology. Round your answers to three decimal places.)

The 95% confidence interval based upon

n = 400

thousand

dollars.

(c)

Calculate a 95% confidence interval for the mean amount of debt owed (in thousands of dollars) for all gambling addicts using the given sample size,

n = 1,600.

(Use a table or technology. Round your answers to three decimal places.)

The 95% confidence interval based upon

n = 1,600

thousand

dollars.

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