Question:medium
Choose a randomly selected leap year, in which 52 Saturdays and 53 Sundays are to be there.
Given the following probability distribution:
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Choose a randomly selected leap year, in which 52 Saturdays and 53 Sundays are to be there.
Given the following probability distribution:
![]()
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To calculate the mean, multiply each value by its corresponding probability, then sum the results. For variance, use the squared difference from the mean.
Updated On: Nov 26, 2025
- Mean = 2.7, Standard Deviation = 1.5
- Mean = 2.5, Standard Deviation = 1.2
- Mean = 2.4, Standard Deviation = 1.4
- Mean = 3.0, Standard Deviation = 1.6
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