Question

Please help me

Answer 1

and please help me go through the problem not just give the answer

Answer 2

@jim_thompson5910

Answer 3

@dumbcow

Answer 4

just trying to be nice, but what ever tickles your peach

Answer 5

ok, so I try to be nice back, is it ok? tell me total how many marbles do you have?

Answer 6

9

Answer 7

2 white and 7 purple , right? so probability of drawing white is?

Answer 8

2/9

Answer 9

and after take it out , how many do you have left?

Answer 10

8

Answer 11

back to the first question, probability to draw a purple is?

Answer 12

7/9

Answer 13

you got it, after take out 1, you have 8 left, and the probability to draw out a white at that moment is?

Answer 14

1/8 or 2/8 ?

Answer 15

get out just purple, the whole white there, that means 2/8

Answer 16

oh okay

Answer 17

1/9 for picking out purple, 2/8 for picking out white, so combine them by,...?

Answer 18

adding

Answer 19

are you sure?

Answer 20

not really honestly

Answer 21

ok, I am not sure , too. give me few minutes, I check on my note

Answer 22

okay thank you

Answer 23

\[P(p,w) = \frac{7}{9}*\frac{2}{8} = \frac{7}{36}\]
\[P(w,w) = \frac{2}{9}*\frac{1}{8} = \frac{1}{36}\]
\[P(p,p) = \frac{7}{9}*\frac{6}{8} = \frac{21}{36}\]

Answer 24

thanks.... a.....ton. .

Answer 25

no problem