An urn contains 4 purple marbles and 3 pink marbles. Two marbles are drawn at random. What is the probability that both marbles are purple if drawn with replacement?
2 answers:
S tep-by-step explanati ons
possibility = 4 + 3 = 7
4 / 7 = 4 / 7
Answer: 16/49
Step-by-step explanation:
The probability of pulling a purple marble is 4/7, since 4+3 is 7. Since the marbles are replaced, the probability does not change when pulling out marbles.
To combine probabilities, we multiply them
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