Common AI Technologies in Daily Life AIE Practice Questions (Page 13)

Questions 61–65

1. 61expert · hard

   A social media platform wants to increase user engagement by personalizing the feed. The team is considering using collaborative filtering to recommend posts based on what similar users like. However, they notice that this approach tends to create echo chambers and reduce content diversity. Which approach best addresses the diversity concern while still personalizing the feed?

   • AUse content-based filtering only to recommend posts similar to the user's past interactions
   • BUse natural language processing to analyze post sentiment and rank by positivity
   • CUse collaborative filtering only but increase the number of similar users considered
   • DCombine collaborative filtering with content-based filtering that introduces items outside the user's typical preferences
   Reveal Solution Discussion Select an answer first
2. 62expert · hard

   A bank wants to use AI to detect fraudulent credit card transactions. The fraud detection system must minimize false positives to avoid blocking legitimate purchases, but also catch as many true fraud cases as possible. The bank has a limited budget for manual review of flagged transactions. Which approach best balances these conflicting goals?

   • AUse a very high threshold to avoid all false positives
   • BUse a very low threshold to catch all possible fraud cases
   • CUse a machine learning model with a probability threshold that is tuned to the bank's tolerance for false positives and the cost of manual review
   • DUse collaborative filtering to identify unusual spending patterns based on similar users
   Reveal Solution Discussion Select an answer first
4. 63foundation · easy

   Which everyday technology relies on AI to suggest products based on a user's past purchases?

   • AA barcode scanner at a checkout
   • BA printer that prints documents
   • CRecommendation system on an e-commerce website
   • DSpreadsheet software with formulas
   Reveal Solution Discussion Select an answer first
5. 64application · medium

   A game developer wants to create non-player characters (NPCs) that adapt their behavior based on the player's skill level. The game should become more challenging as the player improves. Which AI technique is most directly used to achieve this?

   • ACollaborative filtering to recommend game levels based on other players' choices
   • BComputer vision to track the player's eye movements
   • CNatural language processing to generate dialogue for NPCs
   • DAdaptive difficulty algorithms that adjust NPC behavior and game parameters in real time based on player performance
   Reveal Solution Discussion Select an answer first
6. 65foundation · easy

   What is the role of AI in path planning for autonomous vehicles?

   • ATo determine a safe and efficient route while avoiding obstacles
   • BTo communicate with other drivers
   • CTo control the air conditioning
   • DTo play music in the car
   Reveal Solution Discussion Select an answer first