Free USAII CAIE Exam Questions

Become USAII Certified with updated CAIE exam questions and correct answers

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Total 450 Questions | Updated On: Jul 29, 2025

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Question 1

How can you handle missing values when importing a CSV file into pandas?

A : Use replace()

B : Use dropna()

C : Use convert_dtypes()

D : Use fillna()

Answer: D

Question 2

In Multi-Armed Bandit problems, which strategy is known for being effective in scenarios where the rewards are subject to sudden changes or shifts?

A : Thompson Sampling with a low variance prior

B : Sliding Window with a short time frame

C : UCB1 with frequent updates

D : Epsilon-Greedy with a high epsilon

Answer: B

Question 3

Which TD learning variant involves updating the value function based on the difference between the estimated value of the current state and the reward plus the value of the next state?

A : TD(λ)

B : Q-Learning

C : SARSA

D : Actor-Critic

Answer: B

Question 4

In multiclass classification, what does the term "class probability calibration" refer to?

A : Normalizing features to balance class distribution

B : Modifying class probabilities to better reflect true likelihoods

C : Adjusting class probabilities to ensure they sum to one

D : Standardizing class probabilities for numerical stability

Answer: B

Question 5

Which Monte Carlo method variant estimates the value function using returns for every state-action pair within an episode?

A : Temporal Difference MC

B : Every-Visit MC

C : Policy Gradient MC

D : First-Visit MC

Answer: B

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Total 450 Questions | Updated On: Jul 29, 2025

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