[Q6: Only answer if you ABSOLUTELY know how to solve AND the answers match up ((

Question

[Q6: Only answer if you ABSOLUTELY know how to solve AND the answers match up ((tired of getting wrong replies.) So, please make sure you’re really certain. It’s appreciated.)

Really Explain EACH STEP, including any formulas you used (& how to use the formula), and explain how to compute with a TI-84 preferably/when possible.]

NO JUST POSTING THE ANSWER WITH NO EXPLANATION/ NO CONVINCING EXPLANATION, I WILL ASSUME IT'S WRONG, AS HAS BEEN THE CASE BEFORE. IF YOU'RE THIS TYPE, MOVE ON - *REPOSTED* v

Suppose you work for a pharmaceutical company that is testing a new drug to treat ulcerative colitis. You conduct a random sample of 25 patients on the new drug and 12 of them indicated a decrease in symptoms since starting the drug regimen. You construct a 99% confidence interval for this proportion to be ( 0.2222 , 0.7378 ). What is the correct interpretation of this confidence interval?

Question 6 options:

1)

We cannot determine the proper interpretation of this interval.

2)

We are 99% confident that the proportion of all patients on the drug regimen that have experienced a reduction in symptoms is between 0.2222 and 0.7378.

3)

We are certain that 99% of patients will be between 0.2222 and 0.7378.

4)

We are 99% confident that the proportion of patients who should be on this drug is between 0.2222 and 0.7378.

5)

We are 99% confident that the proportion of patients surveyed that have experienced a reduction in symptoms is between 0.2222 and 0.7378.

1)

We cannot determine the proper interpretation of this interval.

2)

We are 99% confident that the proportion of all patients on the drug regimen that have experienced a reduction in symptoms is between 0.2222 and 0.7378.

3)

We are certain that 99% of patients will be between 0.2222 and 0.7378.

4)

We are 99% confident that the proportion of patients who should be on this drug is between 0.2222 and 0.7378.

5)

We are 99% confident that the proportion of patients surveyed that have experienced a reduction in symptoms is between 0.2222 and 0.7378.

Explanation / Answer

given that'

99% confidence interval for this proportion to be ( 0.2222 , 0.7378 )

Interpretation:

We are 99% confident that the proportion of all patients on the drug regimen that have experienced a reduction in symptoms is between 0.2222 and 0.7378.

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