Question

a bag contains 3 blue marbles, 9 green ,11 yellow marbles. Twice you draw a marble then replace it . Find p (blue then green)

27/529
27/23
15/529
12/23

Answer 1

total marbles=3+9+11=23
\[required probability=\frac{ 3 }{23 }\times \frac{ 9 }{ 23}=\frac{ 27 }{529 }\]

Answer 2

THANK YOU SO MUCH !

Answer 3

@surjithayer