SOLUTION: an urn has 5 snakes and 4 scorpions
1) what us probability of drawing two snakes in a row if a snake is put back in the urn after it is drawn?
2) what is the probability of
Algebra ->
Probability-and-statistics
-> SOLUTION: an urn has 5 snakes and 4 scorpions
1) what us probability of drawing two snakes in a row if a snake is put back in the urn after it is drawn?
2) what is the probability of
Log On
Question 251255: an urn has 5 snakes and 4 scorpions
1) what us probability of drawing two snakes in a row if a snake is put back in the urn after it is drawn?
2) what is the probability of drawing 2 scorpions if it is not put back into the urn after it is drawn?
please help me with this question.
thank you/ Answer by vksarvepalli(154) (Show Source):
You can put this solution on YOUR website! i)probability of drawing two snakes in a row is
=25/81
ii) when it is not put back then for the first scorpion the probability is 4/9 and for the second one it is 3/8.
so the answer is = 12/72 = 1/6
