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(b) Construct a 95% confidence interval for the proportion of individuals who prefer Cola 2 We are 95% confident the proportion of individuals who prefer Cola 2 is between 541 and 639 (Type intégers or decimals rounded to three decimal places as needed)

(b) Construct a 95% confidence interval for the proportion of individuals who prefer Cola 2 We are 95% confident the proportion of individuals who prefer Cola 2 is between 541 and 639 (Type intégers or decimals rounded to three decimal places as needed)

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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Solve for B)

.541 and .639 were wrong!

Suppose you wish to find out the answer to the age-old question, "Do people prefer Cola 1 or Cola 2?" You conduct a blind taste test in which individuals are randomly asked to drink one of the colas first, followed by the other cola, and then asked to disclose which drink they prefer. Results of your taste test indicate that 59 of 100 individuals prefer Cola 2. Complete parts a through c (a) Conduct a hypothesis test (preferably using technology) Ho P=Po versus H₁ ppo for Po=0 48, 0.49, 0.50, 0.68, 0.69, 0.70 at the a= 0.05 level of significance. For which values of po do you not reject the null hypothesis? What do each of the values of po represent? Do not reject the null hypothesis for the values of po between 5 and 68, inclusively. (Type integers or decimals. Do not round.) (b) Construct a 95% confidence interval for the proportion of individuals who prefer Cola 2 We are 95% confident the proportion of individuals who prefer Cola 2 is between 541 and 639 (Type integers or decimals rounded to three decimal places as needed.) ... 4
Transcribed Image Text:Suppose you wish to find out the answer to the age-old question, "Do people prefer Cola 1 or Cola 2?" You conduct a blind taste test in which individuals are randomly asked to drink one of the colas first, followed by the other cola, and then asked to disclose which drink they prefer. Results of your taste test indicate that 59 of 100 individuals prefer Cola 2. Complete parts a through c (a) Conduct a hypothesis test (preferably using technology) Ho P=Po versus H₁ ppo for Po=0 48, 0.49, 0.50, 0.68, 0.69, 0.70 at the a= 0.05 level of significance. For which values of po do you not reject the null hypothesis? What do each of the values of po represent? Do not reject the null hypothesis for the values of po between 5 and 68, inclusively. (Type integers or decimals. Do not round.) (b) Construct a 95% confidence interval for the proportion of individuals who prefer Cola 2 We are 95% confident the proportion of individuals who prefer Cola 2 is between 541 and 639 (Type integers or decimals rounded to three decimal places as needed.) ... 4
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