mattytwofatty6 mattytwofatty6

08-07-2016
Mathematics

contestada

A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a yellow marble, replacing it, and then picking another yellow marble?

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DarkraiMewK22 DarkraiMewK22

08-07-2016

2 = Yellow Marbles
7 = Red Marbles
1 = Green Marble

^ in the bag.

2+7+1 = 10

2 = Yellow Marbles out of 10 Marbles in total.

2/10 is the probability of picking a Yellow Marble.

&

1/10 of picking another yellow marble.

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