Raffle Probability Question

[DS03]

The correct answer is 17/38 but I'm not sure how to get there!

 

[Steven G]

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.

 

[DS03]

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.

Well I'm having trouble with the whole thing, not sure why 5/20 x 4/19 wouldn't work.

 

[Romsek]

[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?

 

[DS03]

[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?

Yes that helped a lot thanks!!

 

[Steven G]

Well I'm having trouble with the whole thing, not sure why 5/20 x 4/19 wouldn't work.

In this problem do you know what at least two wins means?

 

[DS03]

In this problem do you know what at least two wins means?

Not sure how you would solve that?