Probability depends on information.
For a arbitrary bisect (366 days) year there is another problem , but for 2020 which begins on Wednesday probability is 0.In an ordinary year probability is and in a 366 days year probability to have 53 times a certain day is
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Probability depends on information.
and in a 366 days year probability to have 53 times a certain day is 
For a arbitrary bisect (366 days) year there is another problem , but for 2020 which begins on Wednesday probability is 0.In an ordinary year probability is