annawood357 annawood357

11-12-2019
Mathematics

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I struggle with this section

I struggle with this section class=

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user25700927 user25700927

11-12-2019

Answer:

9/20

Step-by-step explanation:

3 of the marbles are pink, and there are ten total. 3 out of 10 is 3/10. In the second event, if the first marble is placed back, the probabilities are the same, and picking a pink marble is still 3/10. 3/10 * 3/10 = 9/20.

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