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In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the death of President Kennedy. Assume a recent poll asked 1500 American adults if they believe there was a conspiracy in the assassination and it found that 1180 believe there was a conspiracy.  Calculate a 91% confidence interval for the percentage of all Americans who believe in this conspiracy.

In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the death of President Kennedy. Assume a recent poll asked 1500 American adults if they believe there was a conspiracy in the assassination and it found that 1180 believe there was a conspiracy.  Calculate a 91% confidence interval for the percentage of all Americans who believe in this conspiracy.

MATLAB: An Introduction with Applications
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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In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the death of President Kennedy. Assume a recent poll asked 1500 American adults if they believe there was a conspiracy in the assassination and it found that 1180 believe there was a conspiracy.  Calculate a 91% confidence interval for the percentage of all Americans who believe in this conspiracy.

A: Assumptions • Since Select an answer information was collected from each object, what conditions do we need to check? Check all that apply. On 30 or normal population. ON > 20n Oo is unknown. On(1-p) > 10 o is known. On(p) > 10 Check those assumptions: 1. np= 2. n (1-P)= 3. N= which is ? ✓ which is ? ✓ which is ? ✓ If no N is given in the problem, use 1000000 ? ✓ N: Name the procedure The conditions are met to use a Select an answer I: Interval and point estimate The symbol and value of the point estimate on this problem are as follows: Leave answer as a fraction.
Transcribed Image Text:A: Assumptions • Since Select an answer information was collected from each object, what conditions do we need to check? Check all that apply. On 30 or normal population. ON > 20n Oo is unknown. On(1-p) > 10 o is known. On(p) > 10 Check those assumptions: 1. np= 2. n (1-P)= 3. N= which is ? ✓ which is ? ✓ which is ? ✓ If no N is given in the problem, use 1000000 ? ✓ N: Name the procedure The conditions are met to use a Select an answer I: Interval and point estimate The symbol and value of the point estimate on this problem are as follows: Leave answer as a fraction.
I: Interval and point estimate The symbol and value of the point estimate on this problem are as follows: Leave answer as a fraction. ?v= The interval estimate for? ✓is Round endpoints to 3 decimal places. C: Conclusion • We are Select an answer is between % confident that % and ]₂[ % ]
Transcribed Image Text:I: Interval and point estimate The symbol and value of the point estimate on this problem are as follows: Leave answer as a fraction. ?v= The interval estimate for? ✓is Round endpoints to 3 decimal places. C: Conclusion • We are Select an answer is between % confident that % and ]₂[ % ]
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