please answer the following Operations Research problems correctly

Please answer the following problems in business statistics correctly

D2 13 8 14 D3 The Expected values for the payoff table as follows: E(D1) 5.4 E(D2) 113 E(D3) 10.6 What is the payoff value for the D2 under S2 should be to keep the solution optimal at D2? > 11.94 5.94 QUESTION 18 Decision Alternative 0.25 0.2 0.55 51 S2 S3 D1 10 8 9 D2 5 6 11 D3 11 75 DA B 7 B Calculate the Expected Value of Perfect Information (EVPI) 7 2 The following is a payoffs table Decision Alternative D1 D2 D3 The State of Nature 0.25 0.4 0.35 S1 S2 S3 8 10 7 16 6 11 5 9 14 8 18 7 D4 What is the best alternative using the Expected Value Approach? 3.5 4.45 2.7 3.4 1 15 What is the Range of S1 under D1 Alternative ((Blank-15 () (5 ) Si S2 Blank-19 Blank-20 > 23.5 O 22.7 5.4- 22.25 un A company is interested to test the variability in two populations. Two samples are chosen as following First Sample: number - 36. sd 34 second sample: number = 45. d = 11 The Fcomputed is answer to three decimal places In testing the difference between two averages between two methods using alpha 0.10. The following information is given method 1: xbar1 = 246, n1 = 19,51 - 15 method 2: xbar2 - 196. n2 - 13,8 -5 The test statistic(t value) is (answer to three decimal places) (Note that sigmat and sigma2 unknown) D2 13 8 14 D3 The Expected values for the payoff table as follows: E(D1) 5.4 E(D2) 113 E(D3) 10.6 What is the payoff value for the D2 under S2 should be to keep the solution optimal at D2? > 11.94 5.94 QUESTION 18 if there is claim that the standard deviation of sales is defferent from 14. A sample of 48 is chosen, the sample standard devation is found to be 1. the chi square computed is (answer to three decimal places) D2 13 8 14 D3 The Expected values for the payoff table as follows: E(D1) 5.4 E(D2) 113 E(D3) 10.6 What is the payoff value for the D2 under S2 should be to keep the solution optimal at D2? > 11.94 5.94 QUESTION 18 Decision Alternative 0.25 0.2 0.55 51 S2 S3 D1 10 8 9 D2 5 6 11 D3 11 75 DA B 7 B Calculate the Expected Value of Perfect Information (EVPI) 7 2 The following is a payoffs table Decision Alternative D1 D2 D3 The State of Nature 0.25 0.4 0.35 S1 S2 S3 8 10 7 16 6 11 5 9 14 8 18 7 D4 What is the best alternative using the Expected Value Approach? 3.5 4.45 2.7 3.4 1 15 What is the Range of S1 under D1 Alternative ((Blank-15 () (5 ) Si S2 Blank-19 Blank-20 > 23.5 O 22.7 5.4- 22.25 un A company is interested to test the variability in two populations. Two samples are chosen as following First Sample: number - 36. sd 34 second sample: number = 45. d = 11 The Fcomputed is answer to three decimal places In testing the difference between two averages between two methods using alpha 0.10. The following information is given method 1: xbar1 = 246, n1 = 19,51 - 15 method 2: xbar2 - 196. n2 - 13,8 -5 The test statistic(t value) is (answer to three decimal places) (Note that sigmat and sigma2 unknown) D2 13 8 14 D3 The Expected values for the payoff table as follows: E(D1) 5.4 E(D2) 113 E(D3) 10.6 What is the payoff value for the D2 under S2 should be to keep the solution optimal at D2? > 11.94 5.94 QUESTION 18 if there is claim that the standard deviation of sales is defferent from 14. A sample of 48 is chosen, the sample standard devation is found to be 1. the chi square computed is (answer to three decimal places)