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Wingard Credit Union is redesigning the entryway into its bank of ATM machines. Management is interested in understanding how long customers spend in front of the ATMs. Customer service times follow an Exponential​ distribution, with an average customer taking 2.7 minutes to complete a transaction. Calculate the probability that a customer will take less than two minutes. ​Additionally, calculate the probability that a customer will take more than 3.5 minutes. The probability that a customer will take less than two minutes is ___%