Use the following scenario to answer the question:
A bag contains 5 green marbles, 4 red marbles, 7 blue marbles, and 9 yellow marbles.
Use the following scenario to answer the question:

What are the odds of drawing a yellow marble?
Select one:
a. 1/4
b. 16/25
c. 9/25
d. 9/16
I thought it was 9/16 but apparently it's not that

Question

Use the following scenario to answer the question:
A bag contains 5 green marbles, 4 red marbles, 7 blue marbles, and 9 yellow marbles.
Use the following scenario to answer the question:

What are the odds of drawing a yellow marble?
Select one:
a. 1/4
b. 16/25
c. 9/25
d. 9/16 
I thought it was 9/16 but apparently it's not that

jim_thompson5910 · Answer

how many marbles are there total?

anonymous · Answer

9/25

anonymous · Answer

but isn't it in odds? wasn't it 9/16?

jim_thompson5910 · Answer

it's 9/25 because there are 9 yellow out of 5+4+7+9 = 25 total

I think they meant to ask about the probability of picking yellow

anonymous · Answer

Oh. Ok, thanks. 
They have many errors in the online course I am taking...so I get confussed with the questions and answers.

jim_thompson5910 · Answer

A lot of people mix up the terms. I do it sometimes too.