Sample of n subjects (where n is large) cross-classified according to disease status andscreening test result are given below.Test ResultDisease Positive(T) Negative(T) TotalPresent(D) 36836404Absent(D) 12384396Total380420800Assume P(D) = 0.002. Denote the probabilities of false negative and false positive,respectively by FNR and FPR. Then the sensitivity, specificity, FNR, FPR, and predicetivevalue positive of the screening test are, respectively, (Choose one from the following which isclosest to the correct answer.)a. 0.9697, 0.9109, 0.0303, 0.0891, 0.0568.O b. 0.9109, 0.9697, 0.0303, 0.0891, 0.0568.e. 0.9697, 0.9109, 0.0891, 0.0303, 0.0568.O c. 0.9109, 0.9697, 0.0891, 0.0303, 0.0568.d. 0.9109, 0.9697, 0.0303, 0.0891, 0.9998.

Given the result of a sample of n subjects cross classified according disease status and screening…

Answered: Sample of n subjects (where n is large)…

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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The average wait time to get seated at a popular restaurant in the city on a Friday night is 7 minutes. Is the mean wait time greater for men who wear a tie? Wait times for 12 randomly selected men who were wearing a tie are shown below. Assume that the distribution of the population is normal. 9, 5, 5, 7, 8, 5, 7, 7, 9, 5, 6, 9 What can be concluded at the the a = 0.10 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: pv = 7 H: pv> c. The test statistic t v = -0.352 (please show your answer to 3 decimal places.) d. The p-value = 0.3657 X (Please show your answer to 4 decimal places.) e. The p-value is >vV a vX the null hypothesis. f. Based on this, we should reject g. Thus, the final conclusion is that ... O The data suggest the populaton mean is significantly more than 7 at a = 0.10, so there is statistically significant evidence to conclude that the population mean wait time…
The average wait time to get seated at a popular restaurant in the city on a Friday night is 7 minutes. Is the mean wait time greater for men who wear a tie? Wait times for 12 randomly selected men who were wearing a tie are shown below. Assume that the distribution of the population is normal. 9, 5, 5, 7, 8, 5, 7, 7, 9, 5, 6, 9 What can be concluded at the the a = 0.10 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Ho: P Select an answer H1: pv Select an answer v c. The test statistic (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is >v f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that .. O The data suggest the populaton mean is significantly more than 7 at a = 0.10, so there is statistically significant evidence to conclude that the population…
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