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Which one of the following statements is correct? Select one: O 1. The null hypothesis is Ho: μ> 0.65. O 2. The null hypothesis is Ho: μ = 0.65. O 3. The alternative hypothesis is H₁: μ> 0.65. 4. In this hypothesis testing, we can use either one-tail or two-tail test. O 5. The standard error for proportion is 0.048.

Which one of the following statements is correct? Select one: O 1. The null hypothesis is Ho: μ> 0.65. O 2. The null hypothesis is Ho: μ = 0.65. O 3. The alternative hypothesis is H₁: μ> 0.65. 4. In this hypothesis testing, we can use either one-tail or two-tail test. O 5. The standard error for proportion is 0.048.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 8CR
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A president of a company that manufactures central home air conditioning units has told an investigative reporter that an average of at least 65% of its homeowners claim to be "completely satisfied" with the overall purchase experience. Suppose that the reporter subjects the president's statement to statistical scrutiny by questioning a sample of 100 company's residential customers. Which one of the following statements is correct? Select one: O 1. The null hypothesis is Ho: μ > 0.65. O2. The null hypothesis is Ho: μ = 0.65. O 3. The alternative hypothesis is H₁: p > 0.65. 4. In this hypothesis testing, we can use either one-tail or two-tail test. 5. The standard error for proportion is 0.048.
Transcribed Image Text:A president of a company that manufactures central home air conditioning units has told an investigative reporter that an average of at least 65% of its homeowners claim to be "completely satisfied" with the overall purchase experience. Suppose that the reporter subjects the president's statement to statistical scrutiny by questioning a sample of 100 company's residential customers. Which one of the following statements is correct? Select one: O 1. The null hypothesis is Ho: μ > 0.65. O2. The null hypothesis is Ho: μ = 0.65. O 3. The alternative hypothesis is H₁: p > 0.65. 4. In this hypothesis testing, we can use either one-tail or two-tail test. 5. The standard error for proportion is 0.048.
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