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Previously, 8.1% of workers had a travel time to work of more than 60 minutes. An urban economist believes that the percentage has increased since then. She randomly selects 75 workers and finds that 8 of them have a travel time to work that is more than 60 minutes. Test the economist's belief at the a = 0.1 level of significance. What are the null and alternative hypotheses? = 0.081 versus H,: p Ho: p (Type integers or decimals. Do not round.) 0.081 Because npo (1- Po) =UI < 10, the normal model may not be used to approximate the P-value. (Round to one decimal place as needed.)

Previously, 8.1% of workers had a travel time to work of more than 60 minutes. An urban economist believes that the percentage has increased since then. She randomly selects 75 workers and finds that 8 of them have a travel time to work that is more than 60 minutes. Test the economist's belief at the a = 0.1 level of significance. What are the null and alternative hypotheses? = 0.081 versus H,: p Ho: p (Type integers or decimals. Do not round.) 0.081 Because npo (1- Po) =UI < 10, the normal model may not be used to approximate the P-value. (Round to one decimal place as needed.)

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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Previously, 8.1% of workers had a travel time to work of more than 60 minutes. An urban economist believes that the percentage has increased since then. She randomly selects 75 workers and finds that 8 of them have a travel time to work that is more than 60 minutes. Test the economist's belief at the a = 0.1 level of significance. What are the null and alternative hypotheses? 0.081 versus H1: Ho: p (Type integers or decimals. Do not round.) > 0.081 Because npo (1- Po) - < 10, the normal model may not be used to approximate the P-value. (Round to one decimal place as needed.)
Transcribed Image Text:Previously, 8.1% of workers had a travel time to work of more than 60 minutes. An urban economist believes that the percentage has increased since then. She randomly selects 75 workers and finds that 8 of them have a travel time to work that is more than 60 minutes. Test the economist's belief at the a = 0.1 level of significance. What are the null and alternative hypotheses? 0.081 versus H1: Ho: p (Type integers or decimals. Do not round.) > 0.081 Because npo (1- Po) - < 10, the normal model may not be used to approximate the P-value. (Round to one decimal place as needed.)
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