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alexandr402 [8]
2 years ago
13

There are 3 blue marbles, 6 red marbles, 2 green marbles and 1 black marble in a bag. You choose a marble, REPLACE it, and choos

e another. Find each probability
PLEASE HELP IM STRUGGLING
7) P (green and black) __
8) P (green, red) __
9) P (red, red) __
Mathematics
2 answers:
Marta_Voda [28]2 years ago
8 0
What the person above me said
seraphim [82]2 years ago
6 0

Answer:

Step-by-step explanation:

prob blue = 3/12 = 1/4

since you are replacing ,

prob(blue, blue) = (1/4)(1/4) = 1/16

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