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Chapter 04, Section 4.2, Additional Question 012 A sample of820adults showed that74 of them had no credit cards,175 had one card each,84 had two cards

Chapter 04, Section 4.2, Additional Question 012

A sample of820adults showed that74 of them had no credit cards,175 had one card each,84 had two cards each,71 had three cards each,39had four cards each, and377 had five or more cards each. Suppose one adult is randomly selected from these820 adults. Find the probability that this adult has exactly three credit cards.

Round your answer to two decimal places.

P(A) = __________

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