How to draw tree diagram

[nacggk]

I need help how to draw tree diagram. I look through this website but do not understand this example from the website Drawing the red, blue marble. The second draw where the figures are 1/4, 3/4, 2/4, 2/4. Can anyone explain? Thanks

Conditional Probability

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

www.mathsisfun.com

 

[BigBeachBanana]

I need help how to draw tree diagram. I look through this website but do not understand this example from the website Drawing the red, blue marble. The second draw where the figures are 1/4, 3/4, 2/4, 2/4. Can anyone explain? Thanks

Conditional Probability

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

www.mathsisfun.com

Are you referring to this diagram?

 

[nacggk]

Yes

Are you referring to this diagram?

View attachment 33402

Yes

 

[blamocur]

Can you be more specific? There are several paragraphs and diagrams in the Tree Daigram section -- which part do you have difficulty understanding?

 

[Steven G]

Each time you remove a ball you need to decrease the number of balls of that color by one.

 

[Deleted member 4993]

Each time you remove a ball you need to decrease the number of balls of that color by one.

and you need to decrease corresponding TOTAL # of balls.