SOLUTION: A biased tetrahedral die with faces labelled 1,2,3 and 4 is rolled once. The chance of getting a '3' is twice that of getting a '1' . The chance of getting a '2' is thrice that of

Question 1047072: A biased tetrahedral die with faces labelled 1,2,3 and 4 is rolled once. The chance of getting a '3' is twice that of getting a '1' . The chance of getting a '2' is thrice that of getting a '3' . There is an equal chance of getting a'2' and a '4' . Find the probability of getting a prime number.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi  



1	x	  1/15

2	6x	  6/15

3	2x	  2/15

4	6x	  6/15 

	15x = 1	

P(Prime) = 9/15

 

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