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You are a process engineer for a company that manufactures widgets. A particular machine at your company has some downtime during the day on 35.9% of days. You decided to make some changes to how the machine is calibrated in an attempt to reduce downtime. After monitoring the machine for 180 days after your changes were implemented, you find that the machine had some downtime during the day on 30.4% of days. Conduct a hypothesis test to determine if the proportion of days that the machine has downtime has changed from before, with a= 0.01. Using this information, what is the positive critical value in your analysis? Choose the closest option to your answer. 0.359 1.54 2.58 1.96

You are a process engineer for a company that manufactures widgets. A particular machine at your company has some downtime during the day on 35.9% of days. You decided to make some changes to how the machine is calibrated in an attempt to reduce downtime. After monitoring the machine for 180 days after your changes were implemented, you find that the machine had some downtime during the day on 30.4% of days. Conduct a hypothesis test to determine if the proportion of days that the machine has downtime has changed from before, with a= 0.01. Using this information, what is the positive critical value in your analysis? Choose the closest option to your answer. 0.359 1.54 2.58 1.96

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 23PPS
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You are a process engineer for a company that manufactures widgets. A particular machine at your company has some downtime during the day on 35.9% of days. You decided to make some changes to how the machine is calibrated in an attempt to reduce downtime. After monitoring the machine for 180 days after your changes were implemented, you find that the machine had some downtime during the day on 30.4% of days. Conduct a hypothesis test to determine if the proportion of days that the machine has downtime has changed from before, with a=0.01. Using this information, what is the positive critical value in your analysis? Choose the closest option to your answer. 0.359 1.54 2.58 1.96 2.33
Transcribed Image Text:You are a process engineer for a company that manufactures widgets. A particular machine at your company has some downtime during the day on 35.9% of days. You decided to make some changes to how the machine is calibrated in an attempt to reduce downtime. After monitoring the machine for 180 days after your changes were implemented, you find that the machine had some downtime during the day on 30.4% of days. Conduct a hypothesis test to determine if the proportion of days that the machine has downtime has changed from before, with a=0.01. Using this information, what is the positive critical value in your analysis? Choose the closest option to your answer. 0.359 1.54 2.58 1.96 2.33
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