SOLUTION: A four faced die is thrown and the outcomes n = 1, 2, 3, 4 is observed, after which n marbles are drawn from a box which contains 5 blue and 4 green marbles. What is the probabil

Algebra ->  Probability-and-statistics -> SOLUTION: A four faced die is thrown and the outcomes n = 1, 2, 3, 4 is observed, after which n marbles are drawn from a box which contains 5 blue and 4 green marbles. What is the probabil      Log On


   

Question 852158: A four faced die is thrown and the outcomes n = 1, 2, 3, 4 is observed, after which n
marbles are drawn from a box which contains 5 blue and 4 green marbles. What is the
probability that all drawn marbles are blue.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

9 marbles: 5 blue and 4 green

P(1 Blue)= 5/9

P(2 Blue)= %285%2F9%29%284%2F8%29

P(3 Blue)= %285%2F9%29%284%2F8%29%283%2F7%29

P(4 Blue)= %285%2F9%29%284%2F8%29%283%2F7%29%282%2F6%29