(Hi)

A jar contains 3 blue, 4 green, and 5 yellow marbles. if a set of three marbles is chosen at random from the jar, find the probablilty that your selectiona contains:

a) at least 1 blue marble.

Okay nvm. i got it.

thank you in advance.

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- Mar 23rd 2010, 05:48 PMquestiongirlProbablilty-with marbles!
(Hi)

A jar contains 3 blue, 4 green, and 5 yellow marbles. if a set of three marbles is chosen at random from the jar, find the probablilty that your selectiona contains:

a) at least 1 blue marble.

Okay nvm. i got it.

thank you in advance. - Mar 23rd 2010, 07:18 PMANDS!
What have you tried?

- Mar 23rd 2010, 07:27 PMmr fantastic
- Mar 23rd 2010, 07:41 PMquestiongirl
of course i have tried.but not the tree diagram.. im actually having more diffculty in at least 1 blue marble.