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Mathematics 21 Online
OpenStudy (readergirl12):

A bag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. One marble is chosen at random. What is the probability that the chosen marble will be blue? A.1/12 B.1/4 C.1/3 D.3/4 @Lui2301

OpenStudy (readergirl12):

I think A.

OpenStudy (anonymous):

yep

OpenStudy (zarkon):

why do you think it is A?

OpenStudy (readergirl12):

Cause if you add them all up you get 12.. xD

OpenStudy (zarkon):

prob of blue=(#blue)/(#marbles)

OpenStudy (readergirl12):

Second guess is C... ;-;

OpenStudy (zarkon):

c is correct

OpenStudy (zarkon):

4/12=1/3

OpenStudy (anonymous):

crap i just saw that sry reader

OpenStudy (readergirl12):

It's fine cx

OpenStudy (anonymous):

tag me if you need more help ill look closer next time XD

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