dule 1-AVIS 335: X y Take Test Quiz Module x n Messenger C Stony Brook Universit

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dule 1-AVIS 335: X y Take Test Quiz Module x n Messenger C Stony Brook University [US] I https://blackboard.stonybrook.edu/webapps/assessment/take/launchjsp?course asses Question Completion Status: QUESTION 19 Consider the notation introduced in the last lecture. According to this notation the statement below means ue sarabes osabys Player 2 s beter of thn laer 1 play s ? tan when Player plays s Player 1 prefers strategy s to strategy s When Player 2 plays s she is better off when Player 1 plays s 2 rather than s e d QUESTION 20 Consider the extensive form representation of the game between Emily and Nina Select all that apply 3,3 3.4 1,2 4 3 2. 1 2. 2 2,2 EMILY Emty's choice between actions n and s is simultaneous to Nina's choice between b and c u b it Emly plays strategy "ndr while Nina plays strategy"C" then Ninal's payolt will be 3 c The game has both smutaneous and sequennal moves d One of Emly's strateges can be labeled as "nde Click Save and Submit to sque and submit. ctick Save All Answers to save all anstcers

Explanation / Answer

Q.19. Option b is correct. It means player 2 is better off when player -1 play S2 than when player-1 play S1. According to the notation player-2's strategy is same i.e S1. But player-1's strategy is S2 in first case and in second case it is S1. When player -1 plays strategy S2 and player 2 plays S1 the gain of player -2 is more than when player -1 plays S1 and player 2 plays S1. For this reason option -b is correct.

Question:20. Option (a) is correct. Here simultaneous game is that game where the player do not know what other player is going to play against my strategy. In a game sequential and simultanous game is contrast to each other. So first option is correct because Emily does not know what Nina is going to play against the Emily's strategy of n and s. So first option will be the correct answer.

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