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Question 5 A sample of 820 adults showed that 57 of them had no credit cards, 154 had one card each, 79 had two cards

Question 5

A sample of 820 adults showed that 57 of them had no credit cards, 154 had one card each, 79 had two cards each, 33 had three cards each, 76 had four cards each, and 421 had five or more cards each. Suppose one adult is randomly selected from these 820 adults. Find the probability that this adult has exactly three credit cards.

Round your answer to two decimal places. ()=

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