You conduct a cross-sectional study of 958 patients to test a new screening tool for diabetes. In addition to your screening tool, you administer an HbA1c test to diagnose diabetes. 432 patients had diabetes; 47 of those people had false negative screens. 958-432 patients did not have diabetes; 47 had false positives. Calculate the specificity of this test. Report your results as a percentage with no decimals and do not include a percentage sign. Your Answer:

Q: A report statesb that 45% of home owners had a vegetable garden, how large a sample is needed to…

A: Answer: From the given data, population proportion (P) =45% = 0.45 Margin of error (ME) = 6% = 0.06…

Q: A survey shows that 3/5 Australian adults are overweight and 1/10 Australian adults are obese. What…

A:

Q: In a recent survey of 100 new vegetarians, 74 said that their new

A: Given information: The sample size is 100. Out of 100 new vegetarians, 74 said that their new…

Q: In a survey 500 adults were interviewed, 150 said they had early medical checkup. Find the 95% for…

A: Givensample size(n)=500No.of adults said they had early medical checkup(x)=150p^=xn=150500=0.30

Q: Suppose a sample of 158158 tankers is drawn. Of these ships, 135135 did not have spills. Using the…

A: It is given that, among 158 tankers 135 did not have spills.

Q: A study sample was recruited to examine whether a smoking cessation program may be successful in the…

A: The objective of this question is to construct a 95% confidence interval for the true percentage of…

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 8. Do…

A: As per guidelines expert have to answer first question three subparts only dear student please…

Q: A survey of 2390 musicians showed that 398 of them are left-handed. Find a point estimate for p, the…

A: We have find population left handed..

Q: Assume that a recent survey suggests that about 79​% of adults have heard of the brand.   n=

A: It is given that a recent survey suggests that about 79​% of adults have heard of the brand.

Q: The average (mean) score on an exam was 76.375 in a class consisting of 21 Administration students…

A: From the provided information, The average score on an exam was 76.375 consisting 21 Administration…

Q: A Sample of 25 cities have been classified as high or low on their homicide rates and on the number…

A: The formula for chi-square is, χ2=∑fo-fe2fe In the formula fo is the observed frequency, fe is the…

Q: According to recent data, 33% of people are left handed. In a sample of 200 people, how many would…

A: Answer: From the given data, Let X: Left handed people Sample size (n) = 200 P(left handed people) =…

Q: Out of 200 students, 86 use fb, 68 insta, and 29 use both. How many students surveyed use neither fb…

A:

Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…

A: Given: 328 patients completed the survey 211 patients returning

Q: The state education commission wants to estimate the fraction of tenth grade students that have…

A: The sample size is The number of students reading above the eighth-grade level is . The objective is…

Q: Surgery was performed on 492 patients in the Anywhere Health Care Facility during March, and 27 of…

A: Given information: Total number of patients who received a surgery is 492. Total number of death…

Q: 25% of pitchers are left-handed. a survey of 80 pitchers showed 27 are left-handed. find the point…

A: Solution:Point estimate: The population parameter which is estimated by using sample statistic is…

Q: A newspaper infographic titled "Baby's First Photo Reveal" summarized data from a survey of 1,000…

A: Answer is given by confidence interval.

Q: In an election poll Mark recieved 17, 576,866 votes what is the continous data

A: Continuous data is the set of data, whose values can take any value with in a finite or infinite…

Q: What is the percentile rank of a bag that contains 1025 chocolate​ chips?

A: The mean is 1252 and the standard deviation is 129.

Q: In 1995, it was determined that 78% of US citizens supported a ban on household aerosols. Thinking…

A: To find: 1.Test statistics 2.p-value

Q: At the local college, a study found that students earned an average of 8.5 credit hours per…

A: Given, the average credit hour per semester is 8.5. The sample size is 127 students.

Q: The World Health Organization analyzed generic drugs in 45 countries. It collected 3,575 samples.…

A: Given data: The World Health Organization analyzed generic drugs in 45 countries. It collected 3,575…

Q: To compare average birth weight between autistics and non-autistic school children from the same…

A: The objective is to find the appropriate test to compare average birth weight between autistic and…

Q: A report statesb that 49% of home owners had a vegetable garden, how large a sample is needed to…

A: Answer: From the given data, Population proportion (p) = 49% = 0.49 Margin of error (ME) = 8% = 0.08…

Q: ou conduct a cross-sectional study of  800 patients to test a new screening tool for diabetes. In…

A: Given information: The number of patients who had false negative and false positive screens is 42,…

Q: Drowning in bathtubs is a major cause of death in children less than 5 years old. A random sample of…

A: We Have to find Estimate the percent of all parents of young children who use baby bathtubs.

Q: A survey of the mathematics faculty at wassamatta university indicates that 9 faculty members are…

A: Given: A survey of the mathematics faculty at wassamatta university indicates that 9 faculty members…

Q: The American Heart Association is about to conduct an anti-smoking campaign and wants to know the…

A: Note:Hi there! Thank you for posting the question. To avoid the plagiarism issues, we have used the…

Q: The workers at drug factory took a random sample of 800 drug tablets and found that 40 of them were…

A:

Q: In a recent Gallup poll, 1003 randomly selected adults in the United States were asked if they have…

A: According to the provided information, 1003 randomly selected adults in the United States were asked…

Q: Suppose that 19% of all athletes in a sport use a banned drug. A test is available that detects 88%…

A:

Q: According to recent data, 12 percent of people are left handed. In a sample of 20 people, how many…

A: Answer: Using the given data, Let X denotes the number of people who are left handed P(left handed)…

Q: A software company is interested in improving customer satisfaction rate from the 54% currently…

A: Let p be the population proportion of customer satisfaction rate.Given that,Population proportion…

Q: A software company is interested in improving customer satisfaction rate from the 74% currently…

A:

Q: Find P₄₁ , which is the score separating the bottom 41% from the top 59%. P₄₁ =

A: It is given that the area is 0.41.

Q: In 1995, it was determined that 78% of US citizens supported a ban on household aerosols.  Thinking…

A:

Q: According to recent data, 21 percent of people are left handed. In a sample of 100 people, how many…

A: The expected number of the left handed people is obtained below as follows:   From the information,…