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OpenStudy (bohotness):
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OpenStudy (mathstudent55):
Since the marble is replaced each time, the events (drawing a green marble followed by drawing a purple marble) are independent. The probability of an event happening followed by an independent event happening is the product of the individual probabilities. How many marbles are there in total? How many are green? How many are purple?
OpenStudy (mathstudent55):
p(green then purple) = p(green) * p(purple) What is p(green) = ? What is p(purple) = ?
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