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horsena [70]
3 years ago
10

Probability of pulling a green marble out of a bag of coloured marble is 2:5 if you were to pull coloured marbles out of the bag

for 600 times how many times would you select a green marble
Mathematics
1 answer:
Slav-nsk [51]3 years ago
6 0

Answer: 171 green marbles

Step-by-step explanation: There are 7 total marbles so 100/7 equals 14.28

Then there is a 2 out of 7 total tries so  14.28 * 2 equals 28.57% chance to get a green marble.

600 * 0.2857 = 171.41 marbles but you cant get half a marble so 171 green marbles.

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Answer:

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3 years ago
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2 years ago
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Answer:

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Step-by-step explanation:

(6y^2 + 2y + 5) - (5y^2 - 6y - 11) =

The first set of parentheses is unnecessary, so it can just be removed.

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