There is a bag filled with 4 blue, 3 red and 5 green marbles.
2 answers:
Answer:
Step-by-step explanation:
- 4 blue, 3 red and 5 green marbles
- Total marbles = 12
<u>Possible options for 2 different colors are:</u>
<u>Probability of each:</u>
- P(BR) = 4/12*3/11 = 1/11
- P(BG) = 4/12*5/11 = 5/33
- P(RB) = 3/12*4/11 = 1/11
- P(RG) = 3/12*5/11 = 5/44
- P(GB) = 5/12*4/11 = 5/33
- P(GR) = 5/12*3/11 = 5/44
<u>Now, the probability of 2 different colors:</u>
- P(2 different colors) =
- 1/11*2 + 5/33*2 + 5/44*2 =
- 2/11 + 10/33 + 5/22 =
- (2*6+ 10*2 + 5*3)/66 =
- 47/66 = 0.71 = 71%
Answer:
.
green 0.416 red0.25 blue0.3
Step-by-step explanation:
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