Conditional Probabilityeasy
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A restaurant has two payment systems: A (60% of transactions) and B (40%). System A processes correctly 99% of the time. System B processes correctly 97%. A transaction processes correctly. What is P(used A)?
A restaurant has two payment systems: A (60% of transactions) and B (40%). System A processes correctly 99% of the time. System B processes correctly 97%. A transaction processes correctly. What is P(used A)?