Probability that a year has 53 of a given weekday

This type of question, asked 2 times: 15 May 2023 S1, 26 Apr 2025 S2. All 2 questions below, oldest first.

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Question 1
15 May 2023 S1
127 $The probability, that a year selected at random will have 53 Mondays, is$
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Question 2
26 Apr 2025 S2
127 $The probability that a non leap year selected at random will contain 52 Saturdays or 53 Sundays is$
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