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1) INDIA plays two matches each with west indies and australia.in any match probabilities of INDIA getting points 0,1 and 2 are 0.45,0.05 and 0.50 respectively.aasuming that the outcomes are indipendent,the probability of INDIA getting 7 points ,is............ please reply soon.................

1) INDIA plays two matches each with west indies and australia.in any match probabilities of INDIA getting points 0,1 and 2 are 0.45,0.05 and 0.50 respectively.aasuming that the outcomes are indipendent,the probability of INDIA getting 7 points ,is............


please reply soon.................

Grade:

1 Answers

Mir Noaman Ali IIT-Roorkee
57 Points
10 years ago

FOR INDIA TO GET 7 POINTS IT MUST WIN 3 MATCHES AND DRAW ONE MATCH SO PROB OF DAT IS .5*.5*.5*.05 AS DIS CANE BE DONE IN 4 WAYS (INDIA CAN DRAW ANY OF THE FOUR MATCHES ) SO MULTIPY IT WID 4 DEN IT BECOMES 1/2*1/2*1/2*1/20*4 GIVING ANSWER AS 1/40   PLEASE TELL ME IF U R SATISFIED

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