Question

A box contains 6 black and 4 white balls. If a ball is taken from it. What is the probability of it being black? And the probability of it being white​

Answer 1

Answer:

75 black and 47 white And the probability

Answer 2

Answer:

soll:

Step-by-step explanation:

Now, 2 balls can be drawn from the box containing 10 balls in 10C2=45 ways. (i) Probabilty that both are black is 6C210C2=1545=13 (ii) Probabilty that both are white is 4C210C2=645=215 ( iii) Probabilty that both are of different colours is 6C1∗4C110C2=2445=815