Use Bayes' theorem to solve this problem

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Solve the problem. Use Bayes' theorem to solve this problem. A storeowner purchases stereos from two companies. From Company A, 550 stereos are purchased and 1% are found to be defective. From Company B, 850 stereos are purchased and 6% are found to be defective. Given that a stereo is defective, find the probability that it came from Company A. a. b. c. d. Save Answer 2. ES3L 1.3-18 (Points: 1) Solve the problem. A researcher for a publisher randomly selects 85 of the nation's middle schools and interviews all of the teachers at each school. What sampling technique was used? a. random b. cluster c. stratified d. systematic e. convenience Save Answer 3. ES3L 2.1-11 (Points: 1) Solve the problem. Identify the midpoint of the first class. miles oer day frequency 1-2 9 3-4 22 5-6 28 7-8 15 9-10 4 a. 1.5 b. 28 c. 5 d. 5.5 Save Answer 4. ES3L 2.1-7 (Points: 1) Solve the problem. Identify the class width used in the frequency distribution. weights in pound frequency 135-139 6 14-0-144 4 145-149 11 150-154 15 155-160 8 a. 135 b. 6 c. 4 d. 5 Save Answer 5. ES3L 2.4-22 (Points: 1) Solve the problem. For the following data set, approximate the sample standard deviation. miles per day frequency 1-2 9 3-4 22 5-6 28 7-8 15 9-10 4 a. 2.1 b. 5.1 c. 2.9 d. 1.6 Save Answer 6. ES3L 3.1-45 (Points: 1) Solve the problem. At the local racetrack, the favorite in a race has odds 3:2 in favor of winning. What is the probability that the favorite wins the race? a. 0.8 b. 0.4 c. 0.2 d. 0.6 Save Answer 7. ES3L 3.2-10 (Points: 1) Solve the problem. You are dealt two cards successively without replacement from a standard deck of 52 playing cards. Find the probability that the first card is a two and the second card is a ten. Round your answer to three decimal places. a. 0.500 b. 0.994 c. 0.006 d. 0.250 Save Answer 8. ES3L 1.3-10 (Points: 1) Solve the problem. A community college student interviews everyone in a statistics class to determine who owns a car. What sampling technique is used? a. systematic b. random c. cluster d. convenience e. stratified Save Answer 9. ES3L 2.1-2 (Points: 1) Solve the problem. Identify the midpoint of the first class. heights in inches frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 a. 50 b. 52 c. 51 d. 49.5 Save Answer 10. ES3L 2.3-14 (Points: 1) Solve the problem. For the following data, approximate the mean number of phone calls per day. phone calls per day frequency 8-11 31 12-15 34 16-19 28 20-23 30 24-27 6 a. 16 b. 14 c. 17 d. 26 e. 15 Feb 20 2012 03:47 PM

 

Solution ID:608849 | This paper was updated on 26-Nov-2015

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