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2. One leading company has developed what it hopes will be a home expresso machine that will have casier instructions. The goal is to have more than 92% of customers succeed at being able to make the perfect expresso. The company tests the new system on 200 people, 188 of whom were successful. a) Identify the parameter of interest.

2. One leading company has developed what it hopes will be a home expresso machine that will have casier instructions. The goal is to have more than 92% of customers succeed at being able to make the perfect expresso. The company tests the new system on 200 people, 188 of whom were successful. a) Identify the parameter of interest.

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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2. One leading company has developed what it hopes will be a home expresso machine that will have casier instructions. The goal is to have more than 92% of customers succeed at being able to make the perfect expresso. The company tests the new system on 200 people, 188 of whom were successful. a) Identify the parameter of interest. b) Set up the null hypothesis and the alternative bypothesis. c) Calculate the test statistic. d) Find the corresponding p-value. I Note: Make sure you check some conditions. e) Draw an appropriate conclusion. Use a 0.10.1
Transcribed Image Text:2. One leading company has developed what it hopes will be a home expresso machine that will have casier instructions. The goal is to have more than 92% of customers succeed at being able to make the perfect expresso. The company tests the new system on 200 people, 188 of whom were successful. a) Identify the parameter of interest. b) Set up the null hypothesis and the alternative bypothesis. c) Calculate the test statistic. d) Find the corresponding p-value. I Note: Make sure you check some conditions. e) Draw an appropriate conclusion. Use a 0.10.1
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