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An automotive manufacturing company claims that under 10% of its new vehicles will require warranty service during the first year of ownership. To test this claim, a random sample of 568 customers were surveyed and 44 of these customers required warranty service during their first year of ownership. Using these results, perform a hypothesis test to test the automotive company's claim at the 10% significance level. a. Select the correct symbol to replace "r in the null hypothesis oi e ?0.10 b. Select the correct symbol to replace "7" in the alternative hypothesis a, ?0.10

An automotive manufacturing company claims that under 10% of its new vehicles will require warranty service during the first year of ownership. To test this claim, a random sample of 568 customers were surveyed and 44 of these customers required warranty service during their first year of ownership. Using these results, perform a hypothesis test to test the automotive company's claim at the 10% significance level. a. Select the correct symbol to replace "r in the null hypothesis oi e ?0.10 b. Select the correct symbol to replace "7" in the alternative hypothesis a, ?0.10

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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An automotive manufacturing company claims that under 10% of its new vehicles will require warranty service during the first year of ownership. To test this claim, a random sample of 568 customers were surveyed and 44 of these customers required warranty service during their first year of ownership. Using these results, perform a hypothesis test to test the automotive company's claim at the 10% significance level. a. Select the correct symbol to replace "r in the null hypothesis o: e ?0.10 b. Select the correct symbol to replace "7r in the alternative hypothesis e?0.10
Transcribed Image Text:An automotive manufacturing company claims that under 10% of its new vehicles will require warranty service during the first year of ownership. To test this claim, a random sample of 568 customers were surveyed and 44 of these customers required warranty service during their first year of ownership. Using these results, perform a hypothesis test to test the automotive company's claim at the 10% significance level. a. Select the correct symbol to replace "r in the null hypothesis o: e ?0.10 b. Select the correct symbol to replace "7r in the alternative hypothesis e?0.10
c. Compute the value of the test statistic. Do not round Intermediate calculations. Round your answer to two decimal places. Enter a "-" sign directly before a negative answer. Test statistic d. Détermine the appropriate critical value. Enter your critical value to three decimal places. Enter a "-" sign directly before a negative answer. Critical value e. Based on the above results, choose the appropriate initial conclusion. Do not reject the null hypothesis. Reject the null hypothesis. 1. Based on the claim and your initial conclusion, choose the appropriate final conclusion. Support the automotive company's claim. O Do not support the automotive company's claim,
Transcribed Image Text:c. Compute the value of the test statistic. Do not round Intermediate calculations. Round your answer to two decimal places. Enter a "-" sign directly before a negative answer. Test statistic d. Détermine the appropriate critical value. Enter your critical value to three decimal places. Enter a "-" sign directly before a negative answer. Critical value e. Based on the above results, choose the appropriate initial conclusion. Do not reject the null hypothesis. Reject the null hypothesis. 1. Based on the claim and your initial conclusion, choose the appropriate final conclusion. Support the automotive company's claim. O Do not support the automotive company's claim,
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