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321 Final Review

321 Final Review. HW9 #2 Suppose that we flip a coin until either it comes up tails twice or we have flipped it six times. What is the expected number of times we flip the coin?. HW9 #4 : a, b in R 2 R1 = {(a, b) | a>b} R2 = {(a, b) | a?b } R3 = {( a,b ) | a<b} R4 = {( a,b ) | a?b }.

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