One leading company has developed what it hopes will he 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 hypothesis. e) Calculate the test statistic. d) Find the corresponding p-value. I e) Draw an appropriate conclusion. Use a 0.10.1 Note: Make sure you check some conditions.

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ISBN:9781119256830
Author:Amos Gilat
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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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