Question

a box contain 3 white balls and two blue balls.Two balls are drawn random without replacement.Write the sample space of outcomes.Find the probability that both balls are of the same colours

Answer 1

n(S) = 3+2=5

n(W)=3
n(B) =2

P(W)=n(W)/n(s)
= 3/5
Therefore the probability of white balls is 3/5

P(B)=n(B)/n(s)
=2/5
Therefore the probability of blue balls is 2/5.

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