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A company is interested in seeing if the average call time to its call center is more than/greater than 5 minutes. Which of the following is the correct null and alternative hypothesis for this scenario? Let u be the true population average call time and let the sample average call time.

A company is interested in seeing if the average call time to its call center is more than/greater than 5 minutes. Which of the following is the correct null and alternative hypothesis for this scenario? Let u be the true population average call time and let the sample average call time.

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
Section11.4: Collecting Data
Problem 3E
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A company is interested in seeing if the average call time to its call center is more than/greater than 5 minutes. Which of the following is the correct null and alternative hypothesis for this scenario? Let μ be the true population average call time and let the sample average call time. Ο Ηo : μ < 5 vs Ha : μ > 5 Ho X = 5 vs H₁ : X ‡ 5 : Ho X ≤ 5 vs H₁ : X > 5 : Ο Ηo : μ = 5 vs Ha : μ + 5
Transcribed Image Text:A company is interested in seeing if the average call time to its call center is more than/greater than 5 minutes. Which of the following is the correct null and alternative hypothesis for this scenario? Let μ be the true population average call time and let the sample average call time. Ο Ηo : μ < 5 vs Ha : μ > 5 Ho X = 5 vs H₁ : X ‡ 5 : Ho X ≤ 5 vs H₁ : X > 5 : Ο Ηo : μ = 5 vs Ha : μ + 5
Hypertension is when an adult is classified as having high blood pressure (above 130 systolic blood pressure is considered hypertension). Researchers want to know the proportion of adult North Americans (above age of 18) that have hypertension. Based on a study of 3532 adult North Americans, 1219 of them were classified as having hypertension.
Transcribed Image Text:Hypertension is when an adult is classified as having high blood pressure (above 130 systolic blood pressure is considered hypertension). Researchers want to know the proportion of adult North Americans (above age of 18) that have hypertension. Based on a study of 3532 adult North Americans, 1219 of them were classified as having hypertension.
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