The payroll department of a hospital has found that in one year, 1% of its paychecks are calculated incorrectly. The hospital has 257 employees. Assuming that the data follow a binomial probability model, what is the probability that in one month’s records at least one paycheck error is made? Note: If your answer has up to four decimal places, please enter it without rounding the number. If your answer has more than four decimal places, please round the number to four decimal places.