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Practice multiple choice certification questions for EXIN BCS Artificial Intelligence Essentials and review the explanation after each answer.

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Review the keyed rationale after answering so the correct EXIN BCS service choice and each distractor stay connected.

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Flashcard Practice EXIN BCS Artificial Intelligence Essentials Multiple Choice

A retailer will use one model to predict future purchases for existing customers and to score newly acquired customers. Its data contains repeated purchases per customer. Which evaluation plan best supports both uses?

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Use a chronological holdout for existing customers and a separate customer-group holdout for new customers Use one chronological holdout containing only existing customers and infer new-customer performance from it Use a random purchase-row split with customer identity so both sets resemble the training data Use one customer-group holdout and treat it as complete evidence for both deployment populations

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