12. A superstore manager is to decide whether to purchase a lot of shoes offered by a factory seller. Let p be the proportion of the shoes considered to be unacceptable because of the quality. Assume that the following information is given Event Opportunity loss of accepting the lot Prior prob. A B C D 0.05 0.10 0.15 0.20 0.40 0.20 0.20 0.20 $O 250 500 750 In a sample of 20 pairs of shoes, 2 are found to be unacceptable. Compute the expected opportunity loss of the action 'accept the lot' if (a) Action is taken before 'sampling'; (b) Action is taken after 'sampling'. 12. A superstore manager is to decide whether to purchase a lot of shoes offered by a factory seller. Let p be the proportion of the shoes considered to be unacceptable because of the quality. Assume that the following information is given Event Opportunity loss of accepting the lot Prior prob. A B C D 0.05 0.10 0.15 0.20 0.40 0.20 0.20 0.20 $O 250 500 750 In a sample of 20 pairs of shoes, 2 are found to be unacceptable. Compute the expected opportunity loss of the action 'accept the lot' if (a) Action is taken before 'sampling'; (b) Action is taken after 'sampling