Actual medical diagnoses

Assignment Help Basic Statistics
Reference no: EM1320643

A study published in the British Medical Journal described how dogs were used in an attempt to identify patients having bladder cancer. A trial involved six different samples of urine from healthy people plus another sample of urine from a person known to have bladder cancer. The trail was repeated 54 times with 22 correct identifications and 32 wrong identification.

Assuming that the dogs did better than what would be expected with random guessing, did they do well enough to be used for actual medical diagnoses? Why or why not?

Reference no: EM1320643

Questions Cloud

Proportion of patients whom drug be effective between range : For what proportion of patients will drug be effective for between 2 and 2.25 hours?
How much does the money supply increase : Elucidate how much does the total amount of deposits in the banking system increase. By elucidate how much does the money supply increase.
Arranging the people in the row : What was the smallest possible number of people? What are all possible numbers of people?
Find the probability of selected degree : Find the probability that a randomly selected degree is not in Business & is not in Engineering?
Actual medical diagnoses : Assuming that the dogs did better than what would be expected with random guessing, did they do well enough to be used for actual medical diagnoses? Why or why not?
Actions that human resource management can take : Many organizations' goals include improving people's performance by relying on knowledge workers, empowering employees, and assigning work teams. Suggest two actions that Human Resource Management can take in order to support these goals.
Describing labor demand in this economy as a function : Elucidate how can you derive an equation describing labor demand in this economy as a function of the real wage also capital stock.
Developing the project : In your new position at the XYZ Corporation, you have been asked to lead the risk assessment team.
Creating confidence interval for true mean amount : Create a 90% confidence interval for true mean amount of cholesterol in chicken eggs.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Satisfaction rating for the gaming console

Letting μ be the mean composite satisfaction rating for the gaming console, we find that the test should be H o : μ ≤ 42 versus H a :  μ > 42

  Compute the score separates the top 10% of the distribution

Scores on the Math Achievement Test form a normal distribution with a mean of u = 300 and a standard deviation of a = 100. What score separates the top 10% of the distribution from the rest.

  Number of consumer complaints against u.s. airlines

Data in table represent number of consumer complaints against major U.S. airlines. If one complaint from table is arbitrarily chosen, determine the probability that it was filed against United Airlines.

  The empirical probability distribution

Determine the probability distribution associated with these data.

  Margin of error when confidence is given

The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card.

  Determine the probability that none of the contracts

Determining probability values using the Binomial distribution.Use the Binomial distribution to determine the probability that four or more of the contracts are in breach of the tendering guidelines.

  Developer of real estate is considering investing

To test there is significant difference among the mean of income using ANOVA. A developer of real estate is considering investing in a shopping mall on the outskirts of Atlanta, Georgia.

  Test of single population proportion

Since 38% is less than 40%, does this mean that immediate production cutbacks are needed or can this difference of 2 percentage points be attributed to sampling?

  Sample size for determining population proportion

No estimate of the population proportion is available. How large a sample is required?

  What is the likely number of withdrawals

A university found that 20 percent of its students withdraw without completing the introductory statistics course. 20 students registered for a section of the course this term.

  Difference in proportion using level of significance

Using 5% level of significance, is there any difference in proportion of guests who would select the two resorts? What is your conclusion?

  Survey on internet regularly

According to a recent survey, 275 of 400 middle-aged Americans said they used the Internet regularly. 140 of 400 senior citizens said they used the Internet regularly.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd