Question 1 The mean water temperature downstream from a discharge pipe at a power plant cooling tower should be no more than 100°F. Past results has indicated that the standard deviation of temperature is 2°F. The water temperature is measured on 10 randomly chosen days, and the results are shown below: 96.15 97.81 97.09 95.03 99.46 100.03 99.74 98.85 95.08 98.71 a. State the null hypothesis and alternative hypothesis for the above problem. b. Is there evidence that the water temperature is acceptable at a = 0.01?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Question 1
The mean water temperature downstream from a discharge pipe at a power plant
cooling tower should be no more than 100°F. Past results has indicated that the
standard deviation of temperature is 2°F. The water temperature is measured on 10
randomly chosen days, and the results are shown below:
96.15 97.81 97.09 95.03 99.46 100.03 99.74 98.85 95.08 98.71
a. State the null hypothesis and alternative hypothesis for the above problem.
b. Is there evidence that the water temperature is acceptable at a = 0.01?
Transcribed Image Text:Question 1 The mean water temperature downstream from a discharge pipe at a power plant cooling tower should be no more than 100°F. Past results has indicated that the standard deviation of temperature is 2°F. The water temperature is measured on 10 randomly chosen days, and the results are shown below: 96.15 97.81 97.09 95.03 99.46 100.03 99.74 98.85 95.08 98.71 a. State the null hypothesis and alternative hypothesis for the above problem. b. Is there evidence that the water temperature is acceptable at a = 0.01?
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