From a barrel of colored marbles, you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles.

Find the experimental probability of randomly selecting a marble that is either green or purple. Write your answer in simplest form.
a.1/10
b.1/5
c.1/3
d.2/15

Question

From a barrel of colored marbles, you randomly select 7 blue, 5 yellow, 8 red, 4 green, and 6 purple marbles.

Find the experimental probability of randomly selecting a marble that is either green or purple. Write your answer in simplest form.  
a.1/10
b.1/5
c.1/3 
d.2/15

lanre · Answer

Please post this question in Mathematics Section to receive quick and accurate response.

anonymous · Answer

I think its c

lanre · Answer

That is why i said the question should be in Mathematics. You are not sure of your answer. There is no guess work in mathematics. You need to show steps.

anonymous · Answer

There are 30 marbles in all.  20 of them are neither green nor purple, so your odds of selecting a marble that is neither green nor purple are 20/30 or 2/3.  Hence your odds of selecting a marble that is EITHER green OR purple -- the opposite -- is 1 - 2/3 = 1/3.  The answer is c.