An opaque bag contains 5 green marbles, 3 blue marbles, and 2 red marbles. two marbles are randomly drawn without replacement. p(2nd draw: blue | 1st draw: red)
a 1/5
b 3/10
c 2/9
d 1/3

 D.

Step-by-step explanation:

Given : The number of blue balls in bag = 3

The number of red balls in the bag = 2

Total marbles =5+2+3=10

The probability of drawing first marbles as red :-

After this , the probability of drawing a blue marbles :-

i.e.

3/6 chance

step-by-step explanation:

half of the nubers are odd numbers (1,3,5) which in that case if you would be told to simplify it would be 1/2