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Reinforcement Learning · Quiz 1 · Sep 2023

Reinforcement Learning · Quiz 1 · Sep 2023

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Question 85 MCQ · 1.0 marks

Net profit for the month of April is:
6406532266708.
$5920
6406532266709.
$5275
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$5322
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$5800       **RL** **Section Id :** 64065345317 **Section Number :** 5 **Section type :** Online **Mandatory or Optional :** Mandatory **Number of Questions :** 12 **Number of Questions to be attempted :** 12 **Section Marks :** 40 **Display Number Panel :** Yes **Section Negative Marks :** 0 **Group All Questions :** No **Enable Mark as Answered Mark for Review and** Yes **Clear Response :** **Maximum Instruction Time :** 0

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Question 87 MCQ · 0.0 marks

Source diagram or notation
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Useful Data has been mentioned above.
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This data attachment is just for a reference & not for an evaluation.

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Question 88 MSQ · 2.0 marks

Select correct statements about UCB1 algorithm:
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Each arm is selected atleast twice before any arm is selected third time.
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Each arm is selected atleast once before any arm is selected second time.
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Constant c controls degree of exploration, higher its value, higher the exploration.
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Constant c controls degree of exploration, higher its value, lower the exploration.

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Question 89 MSQ · 2.0 marks

For the value iteration algorithm, which of the following statements are correct?
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6406532266769.Source diagram or notation
6406532266770.Source diagram or notation
6406532266771.Source diagram or notation

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Question 90 MCQ · 2.0 marks

Choose the correct statement(s) regarding explore-exploit dilemma:
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Always exploring is not optimal.
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Always exploiting is optimal.
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None of these.

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Question 91 MCQ · 2.0 marks

Which of the following is the correct Bellman equation for deterministic transitions? The symbols have the usual meaning.
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6406532266740.Source diagram or notation
6406532266741.Source diagram or notation
6406532266742.Source diagram or notation

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Question 92 MCQ · 2.0 marks

Consider the following statements and select the correct option. **Assertion:** Monte Carlo value function approximation methods do not need knowledge of the model to be implemented. **Reason:** Monte Carlo value function approximation methods require only a way to sample trajectories from the environment and aggregate the results.
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Assertion and Reason are both true and Reason is a correct explanation of Assertion.
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Assertion and Reason are both true and Reason is not a correct explanation of Assertion.
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Assertion is true but Reason is false.
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Assertion is false but Reason is true.

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Question 93 NAT · 2.0 marks

Source diagram or notation
Based on the above data, answer the given subquestions.
What is the probability of choosing arm A2 at timestamp t = 6?

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Question 94 MCQ · 2.0 marks

Source diagram or notation
Based on the above data, answer the given subquestions.
At time stamp t = 6, suppose the arm with least estimate so far is pulled and the reward is ln(4). Which of the following is correct after timestamp t = 6?
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Arm A1 is optimal arm.
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Arm A2 is optimal arm.
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Arm A3 is optimal arm.
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An optimal arm can not be determined.
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There is a tie for optimal arm.

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Question 95 NAT · 2.0 marks

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Question 96 NAT · 3.0 marks

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Question 97 MSQ · 2.0 marks

Source diagram or notation
Based on the above data, answer the given subquestions.
Consider the following deterministic policies in table (1) :
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Which of the following are optimal policies?
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π1
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π2
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π3
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π4
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Can not be determined.

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Question 98 MSQ · 2.0 marks

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Based on the above data, answer the given subquestions.
Refer to table (1) and choose the correct statements from the following:
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π1 = π2
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π2 < π3
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π1 ≤ π4
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π3 ≥ π4
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None of these

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Question 99 NAT · 2.0 marks

Source diagram or notation
Based on the above data, answer the given subquestions.
Source diagram or notation

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Question 100 NAT · 3.0 marks

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Based on the above data, answer the given subquestions.
Source diagram or notation

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Question 101 MSQ · 2.0 marks

Source diagram or notation
Based on the above data, answer the given subquestions.
Source diagram or notation
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1 and 2.
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1 and 3.
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2 and 3.
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2 and 5.
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2 and 4.
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4 and 5.

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Question 102 NAT · 3.0 marks

Source diagram or notation
Based on the above data, answer the given subquestions.
What will be the value of v(hot) after one round of value iteration? Assuming v(hot) and v(cold) are initialized with 0. Note the value function is updated synchronously.

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Question 103 NAT · 3.0 marks

Source diagram or notation
Based on the above data, answer the given subquestions.
What will be the value of v(cold) after one round of value iteration? Assuming v(hot) and v(cold) are initialized with 0. Note the value function is updated synchronously.

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Question 104 NAT · 4.0 marks

Source diagram or notation
Based on the above data, answer the given subquestions.
What will be the value of v(hot) + v(cold) after **two** rounds of value iteration? Assuming v(hot) and v(cold) are initialized with 0. Note the value function is updated synchronously.

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