Earlier this month while reviewing my checking account I noticed an oddity. The last four withdrawals (bill payments for somewhat random amounts) had added up to exactly $1,000.00. This is pretty unlikely. Perhaps roughly a one in 100,000 chance of adding up to an exact multiple of $1,000.00. Recently I have been averaging about 10 transactions per month for this account. So over 50 years there would be about 6,000 chances for this to occur. Of course I might also have noticed if some different small number of consecutive transactions had done this. Still this seems like a once in a lifetime event or close to it.
Making the event even less likely (although probably more noticeable) the before and after balance in the account was an even dollar amount.
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