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A random sample of ZU students has been selected and the time spent on moderate physical activities (MPA) per day for each student is recorded. A public health researcher wants to test whether the mean daily time spent on MPA by ZU students is at least 30 minutes. The appropriate null and alternative hypotheses are OHo: H = 30 vs Hau#30 O Ho: H< 30 vs Ha p2 30 O Ho: u2 30 vs Ha H<30 O Ho: HS 30 vs Ha> 30

A random sample of ZU students has been selected and the time spent on moderate physical activities (MPA) per day for each student is recorded. A public health researcher wants to test whether the mean daily time spent on MPA by ZU students is at least 30 minutes. The appropriate null and alternative hypotheses are OHo: H = 30 vs Hau#30 O Ho: H< 30 vs Ha p2 30 O Ho: u2 30 vs Ha H<30 O Ho: HS 30 vs Ha> 30

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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QUESTION 2 A random sample of ZU students has been selected and the time spent on moderate physical activities (MPA) per day for each student is recorded. A public health researcher wants to test whether the mean daily time spent on MPA by ZU students is at least 30 minutes. The appropriate null and alternative hypotheses are O Ho: H = 30 vs Ha:u#30 O Ho: H< 30 vs Ha u2 30 O Ho: u2 30 vs Ha <30 O Ho: HS 30 vs Ha> 30
Transcribed Image Text:QUESTION 2 A random sample of ZU students has been selected and the time spent on moderate physical activities (MPA) per day for each student is recorded. A public health researcher wants to test whether the mean daily time spent on MPA by ZU students is at least 30 minutes. The appropriate null and alternative hypotheses are O Ho: H = 30 vs Ha:u#30 O Ho: H< 30 vs Ha u2 30 O Ho: u2 30 vs Ha <30 O Ho: HS 30 vs Ha> 30
Al Ain Zero Water bottle labeling indicates that it has an amount of nitrates no more than 0.3 mg/L. A nutritionist is interested in testing whether the actual mean amount of nitrates exceeds the announced amount. The appropriate null and alternative hypotheses are Ho: p>0.3 vs Ha: uS0.3 O Ho: 20.3 vs Ha: u<0.3 O Ho: us0.3 vs Ha: p> 0.3 O Ho: H= 0.3 vs Ha: p0.3
Transcribed Image Text:Al Ain Zero Water bottle labeling indicates that it has an amount of nitrates no more than 0.3 mg/L. A nutritionist is interested in testing whether the actual mean amount of nitrates exceeds the announced amount. The appropriate null and alternative hypotheses are Ho: p>0.3 vs Ha: uS0.3 O Ho: 20.3 vs Ha: u<0.3 O Ho: us0.3 vs Ha: p> 0.3 O Ho: H= 0.3 vs Ha: p0.3
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