oneeyedjoey98 oneeyedjoey98

31-12-2018
Mathematics

contestada

a bag contains 2 red marbles, 3 green marbles, and 2 black marbles what is the probability of drawing out a black marble

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wegnerkolmp2741o wegnerkolmp2741o

31-12-2018

Answer:

P (black) = 2/7

Step-by-step explanation:

We need to know the total amount of marbles.

2 red + 3 green + 2 black = 7 marbles

P ( black) = number of black marbles / total marbles

= 2 /7

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Starygamergirl13 Starygamergirl13

31-12-2018

Answer:

It should be 2:7 (or, written as a fraction 2/7)

Step-by-step explanation:

Answer Link

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