The table below displays results from experiments with polygraph instruments. Find the positive predictive value for the test. That is, find the probability that the subject lied, given that the test yields a positive←resultPositive test resultsNegative test resultsBDThe probability is(Round to three decimal places as needed.)Did the Subject Actually Lie?No (Did Not Lie)Yes (Lied)1730RF G HB438NMPASOKLP?TALapingt7-Submit quizverba2

given data did not lie lied total positive test result 17 43 60 negative test result 30 8…

Answered: - The table below displays results from…

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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Review for Test 2 Score: 9.88/17 10/17 answered Question 5 Giving a test to a group of students, the grades and gender are summarized below A Total Male 9. 10 26 Female 3. 18 16 37 Total 12 25 26 63 If one student is chosen at random, Find the probability that the student was female AND got a "C". Question Help: DVideo M Message instructor I Calculator Submit Question
The accompanying table shows the results from a test for a certain disease. Find the probability of selecting a subject with a negative test result, given that the subject has the disease. What would be an unfavorable consequence of this error? The individual actually O had the disease Yes No Positive 334 Negative 13 1176 EEE .E The probability is (Round to three decimal places as needed.) What would be an unfavorable consequence of this error? A. The test would be shown to be not effective. OB. The subject would experience needless stress and additional testing. Gradebo O C. The subject would not receive treatment and could spread the disease. Sco O D. The test would be shown to be not reliable. see scor
The accompanying table shows the results from a test for a certain disease. Find the probability of selecting a subject with a negative test result, given that the subject has the disease. What would be an unfavorable consequence of this error? The individual actually had the disease Yes 329 15 No Positive Negative 1127 The probability is (Round to three decimal places as needed.)
600 baseball fans in Boston are asked whether they hate the Yankees. 564 of them answered "yes". The empirical probability that a randomly chosen fan will answer "yes" is The empirical probability that a randomly chosen fan will answer "no" is (Note: Enter each answer as a fraction or as a decimal rounded to the nearest hundredth.)
A group of people were asked which of three ice cream flavors they prefer. The results are shown in the table Ages Vanilla Strawberry Chocolate 20 years and younger 8 6. Over 20 years 12 9. What is the probability of a person being over 20 years old and preferring strawberry ice cream? 06% O12% 16% Question 5Multiple Choice Worth 4 points) Previous Question Question 1. (Not Answered) Type here to search
Four coins are tossed, and the number of heads is recorded. Shade the region on the histogram that gives the indicated probability. P(x > 2) Which of the following shaded regions gives the indicated probability? (Type A, B, C, or D.) A) 0.5- 0.38- 0.25- 0.13- 0- 0.5- 0.38 0.25- 0.13- लट 0 1 2 3 4 01 2 3 4 B) D) 0.5- 0.38- 0.25- 0.13- 0- 0.5- 0.38 0.25 0.13- 0- 0 1 2 3 4 0 1 2 3 4
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True or False: If a P-value is 0.01, then the probability that Ho will be rejected is 0.01 or 1%. O True O False
According to a survey in a country, 23% of adults do not have any credit cards. Suppose a simple random sample of 700 adults is obtained. (a) Describe the sampling distribution of p, the sample proportion of adults who do not have a credit card. Choose the phrase that best describes the shape of the sampling distribution of p below. O A. Not normal O B. Approximately normal Determine the mean of the sampling distribution of p. HA = (Round to two decimal places as needed.) Determine the standard deviation of the sampling distribution of p. (Round to three decimal places as needed.) (b) A certain town believes their residents are less likely to own credit cards. They take a random sample of 700 adults in their town. They find a sample proportion of .17. What is the probability of getting 17 or less? The probability is (Round to four decimal places as needed.) Would this be considered unusual?
I need help. How do I find the two missing expected values when two of the expected values are already given? Suppose you are reading a study conducted in the year 2000 about adolescent girls with anorexia nervosa in the United States. The authors report the following frequency data on regions where the 522 adolescent girls with anorexia nervosa in their random sample reside: Observed Frequencies Region West South Midwest Northeast 110 206 110 96 You wonder whether the differences in the frequencies are due to the disease being more prevalent in certain areas of the country, whether the study simply included more girls from certain regions, or whether the distribution matches the geographic distribution of the US population. You obtain the following data from the 2000 census: Percent Distribution of the US Population by Region Region West South Midwest Northeast 22.46% 35.62% 22.88% 19.04% [Source: Hobbs F., & Stoops, N. (2002).…
Suppose that a recent poll found that 50% of adults in a certain country believe that the overall state of moral values is poor. If a survey of a random sample of 15 adults in this country is conducted in which they are asked to disclose their feelings on the overall state of moral values, complete parts (a) through (e) below. Click here to view the table for the binomial probability distribution. Click here to view the table for the cumulative binomial probability distribution. (a) Find and interpret the probability that exactly 9 of those surveyed feel the state of morals is poor. The probability that exactly 9 of those surveyed feel the state of morals is poor is (Round to four decimal places as needed.) Interpret the results. Choose the correct answer below. In 100 trials of this experiment, we expect about to result in exactly 9 adults who feel the state of morals is poor. (b) Find and interpret the probability that no more than 4 of those surveyed feel the state of morals is…

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	did not lie	lied	total
positive test result	17	43	60
negative test result	30	8	38
total	47	51	98