a bag contains 4 green marbles and 5 white marbles. suppose a marble is randomly selected. what are the odds in fvor of picking a white marble?

Question

anonymous · Answer

the ratio of the number of white marbles to the number of not white marbles

anonymous · Answer

odds in favor is p(event) divided by 1-p(e)

anonymous · Answer

9 marbles.  probability of drawing a white is 5/9

anonymous · Answer

i guess in english it would be the ratio of the white marbles to the green marbles

anonymous · Answer

so $$\frac{\frac{5}{9}}{1-\frac{5}{9}}$$

anonymous · Answer

i.e. "number of white marbles : number of green marbles"

anonymous · Answer

you can do it @mathbrz  way too
i prefer not to mess with the fractions
just count

anonymous · Answer

yeah simple and effective is better lol