Number of countries of the world (estimate): 100

Number of people in each country on average (estimate): 100

Therefore 100 x 100 = 10,000 people

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Number of times I do a shit per day (typical day): 1

Certainty that everyone else does the same number of shits per day (typical day) as me (estimate): 100%

Assuming that 5 minutes constitutes one "time", number of times that exist in a single day: (24 hrs divided by 5mins): 288 times

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Certainty of shitting: 100%