Question

A bag containing 10 white and 15 black balls. two balls are drawn in succession without replacement what is the probability that the first is white and second is black

Answer 1

1/25
Hope it helps.......
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Answer 2

HEY DEAR...
YOUR ANSWER ⬇
P(getting a white ball)= 10/25.
= 2/5.
=> 0.4.
P(getting a black ball)= 15/24.
{24 coz 1 ball was taken out and not replaced}
= 5/7.
=> 0.714.
I HOPE YOU FIND IT HELPFUL.
#LAKSHMI.