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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A gambler complained about the dice. They seemed to be loaded! The dice were taken off the table and tested one at a time. One die was rolled 300 times and the following frequencies were recorded. Outcome 1 2 3 4 5 6 Observed frequency O 63 45 60 33 49 50 Do these data indicate that the die is unbalanced? Use a 1% level of significance. Hint: If the die is balanced, all outcomes should have the same expected frequency. (a) What is the level of significance? (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) What are the degrees of freedom?
Tickets for a raffle cost $9. There were 693 tickets sold. One ticket will be randomly selected as the winner, and that person wins $1700 and also the person is given back the cost of the ticket. For someone who buys a ticket, what is the Expected Value (the mean of the distribution)? If the Expected Value is negative, be sure to include the "" sign with the answer. Express the answer rounded to two decimal places. Expected Value = $ Question Help: O Message instructor Submit Question
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5. Suppose a marketing research firm would like to examine if the social networking site that a person primarily uses is influenced by his or her age. In a randomly drawn sample, 337 social network users were asked which site they primarily visited. These data are presented in the following table along with each person's age group. Complete parts a. through c. below. Click the icon to view the data table. a. Using a = 0.025, perform a chi-square test to determine if age group and social networking site used are independent of one another. Identify the null and alternative hypotheses for a chi-square test of independence based on the information in the table. Choose the correct answer below. O A. Ho: Age group and social networking site are independent of one another. H1: The social networking site used affects the age group. O B. Ho: Age group and social networking site are independent of one another. H,: Age group and social networking site are not independent of one another. O C. Ho:…
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I need the answer as soon as possible
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
4.3.19 Question Help 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 result. Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) Positive test results 12 45 Negative test results 31 9. The probability is : (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Clear All Check Answer All parts showing MacBook DII DD 80 000 000 F11 F12 F9 F10 =2 F5 F6 F7 F8 F3 F4 # $ & * ( %3D 5 6 7 8
#7 needed please
A geneticist conducts an experiment with peas, one sample of offspring consisted of 459 green peas and 149 yellow peas. Based on these results, estimate the probability of getting an offspring pea that is green. Report the answer as a percent rounded to two decimal place accuracy. (You need not enter the "%" symbol) Probability= %3D 3. that was expected? 4. Is the result reasonably close to the value of Cyes Ono Submit Question 17,123 PAC MON 16 tv MacBook Air

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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