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 be more effective than aspirin, and plans to do a randomized clinical trial to test the new drug. What is the null hypothesis the company will use?

Question

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Answer 1

Textbook Question

Chapter 15, Problem 1E

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 be more effective than aspirin, and plans to do a randomized clinical trial to test the new drug. What is the null hypothesis the company will use?

Expert Solution & Answer

To determine

State the null hypothesis.

Answer to Problem 1E

Null hypothesis:

H0:p=0.44

Explanation of Solution

Given info:

The study based on the effect of aspirin in the treatment of heart attacks.

Calculation:

Null hypothesis:

H0:p=0.44

That is, the new drug is not effective than aspirin and reduces the rate of heart attacks by 44%.

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Answer 2

Textbook Question

Chapter 15, Problem 1E

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 be more effective than aspirin, and plans to do a randomized clinical trial to test the new drug. What is the null hypothesis the company will use?

Expert Solution & Answer

To determine

State the null hypothesis.

Answer to Problem 1E

Null hypothesis:

H0:p=0.44

Explanation of Solution

Given info:

The study based on the effect of aspirin in the treatment of heart attacks.

Calculation:

Null hypothesis:

H0:p=0.44

That is, the new drug is not effective than aspirin and reduces the rate of heart attacks by 44%.

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Answer 3

Textbook Question

Chapter 15, Problem 1E

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 be more effective than aspirin, and plans to do a randomized clinical trial to test the new drug. What is the null hypothesis the company will use?

Expert Solution & Answer

To determine

State the null hypothesis.

Answer to Problem 1E

Null hypothesis:

H0:p=0.44

Explanation of Solution

Given info:

The study based on the effect of aspirin in the treatment of heart attacks.

Calculation:

Null hypothesis:

H0:p=0.44

That is, the new drug is not effective than aspirin and reduces the rate of heart attacks by 44%.

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Answer 4

Textbook Question

Chapter 15, Problem 1E

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 be more effective than aspirin, and plans to do a randomized clinical trial to test the new drug. What is the null hypothesis the company will use?

Expert Solution & Answer

To determine

State the null hypothesis.

Answer to Problem 1E

Null hypothesis:

H0:p=0.44

Explanation of Solution

Given info:

The study based on the effect of aspirin in the treatment of heart attacks.

Calculation:

Null hypothesis:

H0:p=0.44

That is, the new drug is not effective than aspirin and reduces the rate of heart attacks by 44%.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

State the null hypothesis.

Answer to Problem 1E

Null hypothesis:

H0:p=0.44

Explanation of Solution

Given info:

The study based on the effect of aspirin in the treatment of heart attacks.

Calculation:

Null hypothesis:

H0:p=0.44

That is, the new drug is not effective than aspirin and reduces the rate of heart attacks by 44%.

Answer 8

Expert Solution & Answer

To determine

State the null hypothesis.

Answer to Problem 1E

Null hypothesis:

H0:p=0.44

Explanation of Solution

Given info:

The study based on the effect of aspirin in the treatment of heart attacks.

Calculation:

Null hypothesis:

H0:p=0.44

That is, the new drug is not effective than aspirin and reduces the rate of heart attacks by 44%.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

State the null hypothesis.

Answer 12

Answer to Problem 1E

Null hypothesis:

H0:p=0.44

Answer 13

Explanation of Solution

Given info:

The study based on the effect of aspirin in the treatment of heart attacks.

Calculation:

Null hypothesis:

H0:p=0.44

That is, the new drug is not effective than aspirin and reduces the rate of heart attacks by 44%.

Answer 14

Ch. 15.2 - A research team wants to know if aspirin helps to...Ch. 15.2 - An allergy drug has been tested and found to give...Ch. 15.2 - The new drug is tested and the P-value is 0.0001....Ch. 15.4 - The research team that wants to know if aspirin...Ch. 15.4 - Prob. 5JC Ch. 15.6 - Prob. 6JC Ch. 15.6 - Prob. 7JC Ch. 15.6 - Prob. 8JC Ch. 15 - Better than aspirin? A very large study showed...Ch. 15 - Psychic A friend of yours claims to be psychic....

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Answer to Problem 1E

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