### Home > MC2 > Chapter Ch11 > Lesson 11.3.2 > Problem11-100

11-100.

A bag contains 3 red, 5 yellow, and 7 purple marbles. Find the probability of drawing a purple marble followed by a red marble. The purple marble is put back in the bag between draws. 11-100 HW eTool (CPM). Homework Help ✎

What is the probability of drawing a purple marble?
What is the probability of drawing a red marble?

Multiply the two probabilities together to find the probability of both events happening.

$\frac{7}{15}\left(\frac{3}{15}\right)$

$\frac{21}{225}$

Use the eTool below to test the probability.
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