Question

Que: An urn contain 10 Black and 5 White balls. Two Balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black?

Answer 1

Answer:

Hope it helps..........

Answer 2

Given :: your questin is one after one without replacement..

answer:: 6/14

we find probablity one by one..

first ball is black = 10/15

now one ball we chose and it black so 1 ball is less in urn...

second ball also black = 9 / 14

multiplication both is ans...

= 10×9 / 15×14

= 6/14

= 3/7

plese like ans...