Probability Tomorrow

Probability Level 2

Let today is Monday. What is the probability that in the same date and month the next year is Tuesday?

1/3 3/4 4/7 1/7 3/7

Achmad Damanhuri by Achmad Damanhuri , 26, Indonesia

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1 solution

Achmad Damanhuri
Mar 8, 2019

365=7x+1 for some integer x Today is monday so the next year would be tuesday But, every 4 year there would be 366=7y+2 for some integer y So the probability in the same date at the next year is tuesday is 3/4

0 Helpful 0 Interesting 0 Brilliant 0 Confused

It's much closer to 303/400. For instance, the year 2100, even though it will be 4 years after the leap year in 2096, will not be a leap year. This should make plenty of sense, because leap years aren't so synthetic that we can simply dictate their complete regularity.

Brian Moehring - 2 years, 3 months ago

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Yes i forgot about that, every 100 year we skip a leap year unless the year is divisible bu 400. Thank you

Achmad Damanhuri - 2 years, 3 months ago

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You should add this assumption in question.

Mr. India - 2 years, 3 months ago

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