Question

Suppose a new treatment for drug addiction is given to a sample of 200 patients. The...

Suppose a new treatment for drug addiction is given to a sample of 200 patients. The treatment was successful in 166 of the patients. Assume that these patients are representative of the population of individuals who are addicted.

a) Calculate the sample proportion successfully treated.

b) Determine a 95% confidence interval for the proportion of the population for whom the treatment would be successful.

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
Suppose a new treatment for drug addiction is given to a sample of 200 patients. The...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Suppose a new treatment for a certain disease is given to a sample of 190 patients....

    Suppose a new treatment for a certain disease is given to a sample of 190 patients. The treatment was successful for 167 of the patients. Assume that these patients are representative of the population of individuals who have this disease. Calculate a 98% confidence interval for the proportion successfully treated. (Round the answers to three decimal places.) _____ to ______ please show your work for this problem

  • Part A: Suppose you work for a pharmaceutical company that is testing a new drug to...

    Part A: Suppose you work for a pharmaceutical company that is testing a new drug to treat ulcerative colitis. You conduct a random sample of 34 patients on the new drug and 14 of them indicated a decrease in symptoms since starting the drug regimen. You construct a 90% confidence interval for this proportion to be ( 0.2733 , 0.5502 ). What is the correct interpretation of this confidence interval? 1) We are certain that 90% of patients will be...

  • You work for a pharmaceutical company that is testing a new cholesterol drug. The proportion of...

    You work for a pharmaceutical company that is testing a new cholesterol drug. The proportion of patients on the previous drug who had a positive treatment was 0.375. You want to see if the new drug is more effective than the previous drug. You conduct a sample of 113 patients on the new drug and find that 76 have had a positive treatment effect. The 95% confidence interval is ( 0.586 , 0.7591 ). What is the best conclusion you...

  • To test the effectiveness of a new drug designed to relieve pain, 200 patients were randomly...

    To test the effectiveness of a new drug designed to relieve pain, 200 patients were randomly selected and divided into two equal groups. One group of 100 patients was given a pill containing the drug, while the other group of 100 was given a placebo. What can we conclude about the effectiveness of the drug if 62 of those actually taking the drug felt a beneficial effect, while 41 of the patients taking the placebo felt a beneficial effect? A)...

  • According to the National Institute on Drug Abuse (www.drugabuse.gov), 77% of the emergency room patients who...

    According to the National Institute on Drug Abuse (www.drugabuse.gov), 77% of the emergency room patients who mentioned MDMA (Ecstasy) as a factor in their admission were age 25 and under. Assume that the sample size is 200. Calculate the margin of error for the confidence level 95%. (Use decimal notation. Give your answer to four decimal places.) E= Construct a 95% confidence interval for the population proportion of all emergency room patients mentioning MDMA (Ecstasy) as a factor in their...

  • At Community Hospital, the burn center is experimenting with a new plasma compress treatment. A random...

    At Community Hospital, the burn center is experimenting with a new plasma compress treatment. A random sample of n1 = 318 patients with minor burns received the plasma compress treatment. Of these patients, it was found that 266 had no visible scars after treatment. Another random sample of n2 = 426 patients with minor burns received no plasma compress treatment. For this group, it was found that 91 had no visible scars after treatment. Let p1 be the population proportion...

  • A random sample of 80 patients was selected for an experimental treatment of temporomandibular aw) dysfunction...

    A random sample of 80 patients was selected for an experimental treatment of temporomandibular aw) dysfunction (TMD) Prior to treatment. the patients filled out a survey on two nonfunctional jaw habits-bruxism (teeth grinding) and teeth clenching--that have been linked to TMD. Of the 80 patients, 8 admitted to only bruxism, 11 admitted to only teeth clenching, 32 admitted to both habits, and 29 claimed they had neither habit. Complete parts a through h below. e. Calculate the appropriate test statistic....

  • Use the sample data and confidence level given below to complete parts (a) through (d). A...

    Use the sample data and confidence level given below to complete parts (a) through (d). A drug is used to help prevent blood clots in certain patients. In clinical trials, among 4432 patients treated with the drug, 104 developed the adverse reaction of nausea. Construct a 95% confidence interval for the proportion of adverse reactions. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) b) Identify the value of the margin...

  • Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A...

    Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A drug is used to help prevent blood clots in certain patients. In clinical​ trials, among 4396 patients treated with the​ drug, 179 developed the adverse reaction of nausea. Construct a 95​% confidence interval for the proportion of adverse reactions. ​a) Find the best point estimate of the population proportion p. ​(Round to three decimal places as​ needed.) ​b) Identify the value of the margin...

  • Suppose the Acme Drug Company develops a new drug, designed to prevent colds. The company states...

    Suppose the Acme Drug Company develops a new drug, designed to prevent colds. The company states that the drug is equally effective for men and women. To test this claim, they choose a a simple random sample of 100 women and 200 men from a population of 100,000 volunteers. At the end of the study, 38% of the women caught a cold; and 51% of the men caught a cold. Based on these findings, can we reject the company's claim...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT