The drug Eliquis (apixaban) is used to help prevent blood clots in certain patients. In clinical trials,among 5924 patients treated with Eliquis, 153 developed the adverse reaction of nausea (based on datafrom Bristol-Myers Squibb Co.). Construct a 99% confidence interval for the proportion of adversereactions.

It is given that Sample size n = 5924 Number of patients with adverse reaction, X = 153 Confidence…

Answered: The drug Eliquis (apixaban) is used to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A recent survey showed that from a sample of 500 packages delivered by a Postal Service, 480 were delivered on time. Construct a 95% confidence interval for the proportion of all packages that are delivered on time by the Postal Service.
A sample of 200 lightbulbs was tested and it was found that 11 were defective. Calculate a 95% confidence interval around this sample proportion
A farmer wants to test the effectiveness of a pest control method in allowing strawberry blooms to yield marketable strawberries. Of a random sample of 100 blooms, 77 yield marketable strawberries. Is this evidence that two thirds or more of all blooms grown with this pest control method end up as marketable strawberries? calculate the 95% confidence interval for the proportion of blooms that yield marketable strawberries?
a survey of 2,500 u.s citizens yielded 1,600 who are in favor of gun control legislation. estimate the proportion of all americans who are in favor of gun control legislation using a 95% confidence interval
In a sample of 16 fish from my pond it was found that 5 are under 165 grams in weight. Based on this sample data, and USING IT to estimate the standard error, what is the MARGIN OF ERROR for the 95 percent confidence interval for the true proportion of fish in my pond weighing under 165 grams?
A local health center noted that in a sample of 400 patients, 80 were referred to them by the local hospital. a) Provide a 95% confidence interval for the proportion of patients who are referred to the health center by the hospital. b) What sample size would be required to estimate the proportion of all hospital referrals to the health center with a margin of error of .04 at 95% confidence?
To find the proportion of San Diegans subscribed to Disney+ in 2019, a researcher randomly selected 200 people from San Diego and found that 101 were subscribed. Find a 95% confidence interval estimate for the true proportion of San Diegans subscribed to Disney+. Round to four decimal places.
In a recent poll of 1200 randomly selected adult office workers, 32% said they had worn a Halloween costume to the office at least once. What is the margin of error, using a 95% confidence level, for estimating the true population (percentage) of adult office workers who have worn a Halloween costume to the office at least once? What is the 95% confidence interval for the proportion of all adult office workers who have worn a Halloween costume to the office at least once?
In a clinical trial for Lipitor, (a drug used to lower cholesterol), it was found that out of 863 patients, 47 reported headaches. Construct a 95% confidence interval for these results.
A study was conducted to analyze the appearance of surgical site infections that occur in patients who have undergone surgery. In a random sample of 1000 patients who had undergone surgery, 112 developed surgical site infections afterwards. Based on this result, Construct the 95% confidence interval for the true proportion of patients that have undergone surgery who develop a surgical site infection afterwards.
A farmer wants to test the effectiveness of a pest control method in allowing strawberry blooms to yield marketable strawberries. Of a random sample of 100 blooms,77 yield marketable strawberries. Is this evidence that two-thirds or more of all blooms grown with this pest control method ends up as marketable strawberries? The 95% large-sample confidence interval for the proportion of blooms that yield marketable strawberries is?
An internet service provider sampled 540 customers and found that 55 of them experienced an interruption in their service during the previous month. Construct a 95% confidence interval for the proportion of all the customers who have experienced a service interruption. Interpret the results.

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