1. Hypothesis Testing. Write the null and alternative hypothesis of the following problem. You may write it in symbol or in words. 1. A researcher thinks that if a knee surgery patients will go to the physical therapy twice a week (instead of three times), their recovery period will be longer than 8.2 weeks. 2. A researcher is studying the effects of radical exercise program on knee surgery patients. There is a good chance that the therapy will improve recovery time, but there is also the possibility it will make it worse. Average recovery times for knee surgery patients is 8.2 weeks. 3. No more than 30% of the registered voters in Bacolod City voted in the primary election. 4. A medical trial is conducted to test whether or not a new medicine reduces cholesterol by 25%. 5. We want to test if college students take less than five years to graduate on college, on the average.
1. Hypothesis Testing. Write the null and alternative hypothesis of the following problem. You may write it in symbol or in words. 1. A researcher thinks that if a knee surgery patients will go to the physical therapy twice a week (instead of three times), their recovery period will be longer than 8.2 weeks. 2. A researcher is studying the effects of radical exercise program on knee surgery patients. There is a good chance that the therapy will improve recovery time, but there is also the possibility it will make it worse. Average recovery times for knee surgery patients is 8.2 weeks. 3. No more than 30% of the registered voters in Bacolod City voted in the primary election. 4. A medical trial is conducted to test whether or not a new medicine reduces cholesterol by 25%. 5. We want to test if college students take less than five years to graduate on college, on the average.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 30E
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