Answer:
the correct answer to be choosed is option D
which is D - 3/14
Thought you were in need of answer fast so didnt explain solution before but heres the solution:-)
Solution :
Given ;
n(R) = 4
n(B) = 3
n(G) = 7
We know ,
P ( B ) = n( B ) / n ( S )
= 3/ 14
hence , the probability that a blue marble will be drawn is 3/14
