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Noel has surveyed 21 classmates about the number of credit cards in their wallet and received the following frequency table: Number Frequency 0 3 1
Noel has surveyed 21 classmates about the number of credit cards in their wallet and received the following frequency table: Number Frequency 0 3 1 1 2 2 3 5 4 5 5 2 6 3 Let A be the event in which for a randomly selected classmate the number of credit cards in their wallet is 0 and let B be the event in which for a randomly selected classmate the number of credit cards in their wallet is 4. Find the following probabilities: P(A or B) = % (Round the answer to 2 decimal places.) P(A and B) = % (Round the answer to 2 decimal places.)
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