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Mathematics 10 Online
OpenStudy (anonymous):

@oliveeuuuuh a bag contains 1 red, 2 blue, 4 orange, and 3 purple marbles. 1) a marble is drawn and not replaced. then a second marble is drawn. what is P(purple, then purple)?

OpenStudy (anonymous):

3/9

OpenStudy (anonymous):

how to show work?

OpenStudy (anonymous):

total no balls is ?

OpenStudy (anonymous):

and total no of purple ball

OpenStudy (anonymous):

i dont know

OpenStudy (anonymous):

im confused

OpenStudy (anonymous):

total no of balls are 10 and purple are 3

OpenStudy (anonymous):

yes. so i take one out and dont replace it so it's 9..

OpenStudy (anonymous):

okay then divide 3/9

OpenStudy (anonymous):

so your ans is 1/3

OpenStudy (anonymous):

oh damn that's what u meant

OpenStudy (anonymous):

oops

OpenStudy (anonymous):

=3

OpenStudy (anonymous):

oh no

OpenStudy (anonymous):

3/9=1/3 not 3

OpenStudy (anonymous):

=.33

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

how about: a marble is drawn and replaced. then a second marble is drawn. what is p(red , then purple)?

OpenStudy (anonymous):

no problem

OpenStudy (anonymous):

do you know the second one

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