Test 2 VerA Solutions

Test 2 VerA Solutions - STAT 230 Test #2 Oct 9, 2008 4:30...

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STAT 230 Test # 2O c t 9 , 2008 4 : 30 5 : 20 pm mark ____/ 21 A Name : Student I . D : UW computer userid : Circle your section and time slot : 1 . McLeish ( 12 : 30 ) 2 . McLeish ( 12 : 30 ) 3 . Freire ( 1 : 30 ) [ 7 ] 1 . A certain Toronto NHL Hockey tem has probability 0.3 of winning each game. Find: ( 2 ) a . the probability the first game they win in the season is the seventh game. P the first win occurs on the 7th game 0.70 6 0.30 0.035 ( 1 ) b . What assumptions are you making in part (a) ? Assumptions: All games are independent of one another (with the same probability of winning (i.e., p 0.3) applies to each game.) ( 2 ) c . the probability the second win occurs on the tenth game. Let X the number of games lost before winning the second, so that X has a negative binomial distribution with k 2and p 0.30. We want P X 8 8 2 1 8 2 8 9 8 2 8 9 2 8 .047 ( 2 ) d . the probability of at least one win in ten games.
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Test 2 VerA Solutions - STAT 230 Test #2 Oct 9, 2008 4:30...

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