Compare the three versions according to their definition of Mutiny, its causes and effects
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A leap year has 366 days. Now 364 is divisible by 7 and therefore there will be two excess weekdays in a leap year.
The two excess weekdays can be (Sunday, Monday), (Monday, Tuesday), (Tuesday, Wednesday), (Wednesday, Thursday), (Thursday, Friday), (Friday, Saturday), (Saturday, Sunday). So, the sample space S has 7 pairs of excess weekdays. i.e. n(S)=7
Now we want the desired event E to have 53 Mondays and 53 Tuesdays. E consists of only one pair in S which is (Monday, Tuesday). So, n(E)=1
Hence, the probability that a leap year will contain 53 Mondays and 53 Tuesdays =
n(S)
n(E)
=
7
1
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