Well I'm having trouble with the whole thing, not sure why 5/20 x 4/19 wouldn't work.You forgot to state where you are getting stuck or to show us the work you have done so far. This gives the forum helpers nothing to help you with. Please post back.
Yes that helped a lot thanks!![MATH]P[\text{win at least 1 prize}] = 1 - P[\text{win zero prizes}] = 1 - P[\text{pick 5 non-prize tickets out of 5}][/MATH]
can you finish?
In this problem do you know what at least two wins means?Well I'm having trouble with the whole thing, not sure why 5/20 x 4/19 wouldn't work.
Not sure how you would solve that?In this problem do you know what at least two wins means?