Given the following accuracy rates for k-fold cross-validation with k= 4, which model will we choose to make predictions and what is the accuracy rate for that model? Observations in the Validation Set 301-400 201-300 101-200 1-100 Model 1 69.5% 70.2% 71.8% 67.3% Model 2 72.2% 68.9% 71.5% 69.4%

Q: Let A = {1,{2,3}}. Find P(A), n(A) and n (P(A)).

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A: Solution :-

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A: The previous solution is incorrect. Please follow this one.

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A: