Better than aspirin? A very large study showed thataspirin reduced the rate of first heart attacks by 44%. Apharmaceutical company thinks they have a drug that will be more effective than aspirin, and plans to do a random-ized clinical trial to test the new drug. a) What is the null hypothesis the company will use?b) What is their alternative hypothesis?They conducted the study and found that the groupusing the new drug had somewhat fewer heart attacksthan those in the aspirin group.c) The P-value from the hypothesis test was 0.28. Whatdo you conclude?d) What would you have concluded if the P-value hadbeen 0.004?
Better than aspirin? A very large study showed thataspirin reduced the rate of first heart attacks by 44%. Apharmaceutical company thinks they have a drug that will be more effective than aspirin, and plans to do a random-ized clinical trial to test the new drug. a) What is the null hypothesis the company will use?b) What is their alternative hypothesis?They conducted the study and found that the groupusing the new drug had somewhat fewer heart attacksthan those in the aspirin group.c) The P-value from the hypothesis test was 0.28. Whatdo you conclude?d) What would you have concluded if the P-value hadbeen 0.004?
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.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 14CR
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Better than aspirin? A very large study showed that
aspirin reduced the rate of first heart attacks by 44%. A
pharmaceutical company thinks they have a drug that will
aspirin reduced the rate of first heart attacks by 44%. A
pharmaceutical company thinks they have a drug that will
be more effective than aspirin, and plans to do a random-
ized clinical trial to test the new drug.
ized clinical trial to test the new drug.
a) What is the null hypothesis the company will use?
b) What is their alternative hypothesis?
They conducted the study and found that the group
using the new drug had somewhat fewer heart attacks
than those in the aspirin group.
c) The P-value from the hypothesis test was 0.28. What
do you conclude?
d) What would you have concluded if the P-value had
been 0.004?
b) What is their alternative hypothesis?
They conducted the study and found that the group
using the new drug had somewhat fewer heart attacks
than those in the aspirin group.
c) The P-value from the hypothesis test was 0.28. What
do you conclude?
d) What would you have concluded if the P-value had
been 0.004?
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