Suppose John has a torn tendon and is facing surgery to repair it. The surgeon explains the risks to John: infection occurs in4% of operations, the repair fails in 12% of operations, and both infection and failure occur together in 0.78% of operations.What percentage, P, of these operations succeed and are free from infection? Please round your answer to the nearest twodecimal places.1.62P =

Concept of General Addition Rule:For any two events A and B the General Addition Rule state that:

Answered: Suppose John has a torn tendon and is…

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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. Students may be classified as having a math dysfunction—and not have to take statistics—if they score below the 25th percentile on a diagnostic test. The m of the test is 75 and sX 10. Approximately what raw score is the cutoff score needed to avoid taking statistics?
Suppose that the result of a public opinion poll shows that just 10% of people would be willing to give up their cell phones for 1 week in exchange for $100. How many people would need to be surveyed in order to have a margin of error of ±2%?
PLEASE ANSWER THIS USING YOUR OWN ANSWERS. DO NOT COPY ON INTERNET. IF YOU SEE THIS QUESTION AGAIN, DO NOT ANSWER. IF YOU ANSWER THIS IN TYPEWRITTEN, COMPLETE, CORRECT, AND IN ORIGINAL WAY, I WILL UPVOTE. THANK YOU!
54% of all the town's residents own a dog and 66% own a cat. Of the town resident is chosen at random find: (round to 4 decimal places a. P(Own a Dog) = %3D b. P(Own a Cat) = c. P(Own a Cat and a Dog) d. P(Own a Dog GIVEN Own a Cat) =
Calculate the Z value if 10% of all values of Z are larger
The number of employees working for Fly Me to the Moon Airlines in 2005 was 16,633, with an expected decrease of 4.4%4.4% per year. At the rate of decrease given, what is the expected number of employees working at Fly Me to the Moon Airlines in 2006? Round your answer to the nearest integer.
A foundation conducted a survey of physicians' attitude about health care reform, calling the report "a survey of 100,000 physicians." The survey was sent to 100,000 randomly selected physicians practicing in the United States: 38,000 via post-office mail and 62,000 via email. A total of 2,474 completed surveys were received. What is the rate of nonresponse for this survey? (Round your answer to two decimal places.)
In a recent survey, a group of people were asked if they were happy or unhappy with the state of the country. The data are shown in the contingency table below, organized by political party. What is the relative risk of being unhappy with the state of the country for Democrats? Round your answer to two decimal places.
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.In a combined study of northern pike, cutthroat trout, rainbow trout, and lake trout, it was found that 20out of 860fish died when caught and released using barbless hooks on flies or lures. All hooks were removed from the fish. (a) Let prepresent the proportion of all pike and trout that die (i.e., pis the mortality rate) when caught and released using barbless hooks. Find a point estimate for p. (Round your answer to four decimal places.)(b) Find a 99% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit
Two varieties of corn are grown in 4 different locations. Each location provides a value in pounds for each variety.The table below lists the results. Find the standard error for the difference in the production of the two corn varieties to two decimal places. Variety 1 Variety 2 difference location 1 32.1 34.5 -2.4 location 2 30.6 32.6 -2.0 location 3 33.7 34.6 -0.9 location 4 29.7 31.6 -1.3 mean value 31.53 33.18 -1.65 standard deviation 1.76 1.72 0.68 1.23 0.75 0.34 0.98
A recent study indicated that 24% of the 150 women over age 55 in the study were widows. Round up your answers to the next whole number for the following questions. How large a sample must you take to be 90% confident that the estimate is within 0.02 of the true proportion of women over age 55 who are widows?
What percent of our campus is female? If no preliminary study is made to estimate, how large a sample is needed be 99% sure that the error will be no more than 0.03 from? 1852 Students 1849 Students 1838 students 1826 studetns

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