# Statistics

• Jan 30th 2008, 03:25 AM
Chez_
Statistics
How can i draw a tree diagram to show this data...
In a gambling game, players pay £1 entry fee. They then throw a die untill it shows a six. If only one throw is needed the player recieved £3. if two throws are needed, the player recieves £2. If three throws are needed, the player gets his her entry fee back, otherwise £1 is lost.

How can i show from a probobility tree,
the probobility that a player gets;
1) £3
2)£2
3)Gets the £1 entry fee back
4)looses the money

Help much appreichated
Thank you:confused::confused:
• Jan 30th 2008, 04:17 AM
a tutor
Quote:

Originally Posted by Chez_
How can i draw a tree diagram to show...

Attachment 4939
I'll leave it to you to write in the probailities.
• Feb 3rd 2008, 04:27 AM
Chez_
Hi, could someone please explain further, i dont follow the tree diagram, thanks
• Feb 3rd 2008, 06:13 AM
a tutor
Attachment 4974

Take a look at this and let us know if you're still stuck.
• Feb 3rd 2008, 06:15 AM
Chez_
Hi, thnaks for that, i must sound really dumb but im still a little unsure as to how i would work out those probs with the diagram. Could you explain a little more, pleasE?

Thank you
• Feb 3rd 2008, 06:55 AM
a tutor
Probability of getting a 6 is 1/6
Probability of not getting a 6 is 5/6

First two branches show the first throw, so the top branch shows getting a 6 on the first throw, with probability 1/6 and winning £3.