Mathematics, 20.08.2021 01:20, SoyAmbia
Pain after surgery: In a random sample of 50 patients undergoing a standard surgical procedure, 21 required medication for
postoperative pain. In a random sample of 99 patients undergoing a new procedure, only 14 required pain medication.
Part: 0/2
Part 1 of 2
(a) Construct a 95% confidence interval for the difference in the proportions of patients needing pain medication between
the old and new procedures. Let P, denote the proportion of patients who had the old procedure needing pain medication.
Use tables to find the critical value and round the answer to at least three decimal places.
A 95% confidence interval for the difference in the proportions of patients needing pain
medication between the old and new procedures is
Please help?
Answers: 1
Mathematics, 21.06.2019 14:00, KillerSteamcar
What are the critical values that correspond to a 95% confidence level and a sample size of 93? a. 65.647, 118.136 b. 59.196, 128.299 c. 57.143, 106.629 d. 69.196, 113.145
Answers: 3
Mathematics, 21.06.2019 18:40, ariloveshorses
Which statements regarding efg are true? check all that apply.
Answers: 1
Mathematics, 21.06.2019 21:00, izaiahfieods
Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list
Answers: 1
Pain after surgery: In a random sample of 50 patients undergoing a standard surgical procedure, 21 r...
Mathematics, 29.05.2021 17:50