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Test 2 VerB Solutions

# Test 2 VerB 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 B 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 team has probability 0.3 of winning each game. ( 2 ) a . Find the probability that their second win of the season occurs on the 9’th game (the first win could be any of the first 8 games) . P X 2 8 1  0.70 7 0.30 2 ( 1 ) b . What assumptions are you making in part (a) ? The trials are independent (with the same probability of success p .3 on each game) ( 2 ) c . Find the probability that their first win of the season occurs on the sixth game. P the first win occurs on the 6th game 0.70 5 0.30 ( 2 ) d . Find the probability of at least one win in 8 games. P at least one win 1 P No wins 1 .7 8

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[ 5 ] 2 . Following a hurricane evacuation, a number of people are arrested on suspicion of looting. From past
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Test 2 VerB Solutions - STAT 230 Test#2 Oct 9 2008 4:30...

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