Question

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?

Answer 1

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

Answer 2

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

Answer 3

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

Answer 4

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

Answer 5

so \[\frac{\frac{5}{9}}{1-\frac{5}{9}}\]

Answer 6

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

Answer 7

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

Answer 8

yeah simple and effective is better lol