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mt2.a key

mt2.a key - Statistics 13A Spring 2010 Midterm II Version A...

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Statistics 13A, Spring 2010, Midterm II Version A Name: ID: Instructions: 50 minutes, closed book midterm one letter-sized (double-sided) “cheat-sheet”, hand held calculator and scrap paper are allowed 20 multiple choice problems, 5 points each put your name & ID on this midterm and scantron hand in both this midterm and scantron (the midterm will be used as a proof of your presence in the un- likely event of missing scantron) grading is based on scantron which will not be re- turned to you this is Version A, please mark the corresponding circle on the scantran good luck! Midterm begins here... 1. An experiment consists of throwing 4 fair dice si- multaneously. The number of simple events in this experiment is (a) 4 (b) 36 (c) 256 (d) 1296 (e) 4096 answer: d ( 6 4 = 1296 ) 2. Refer to Problem 1, what is the probability that the sum of the four dice is 5? (choose the closest answer)

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