A grocery deliver service is guaranteeing an order fulfillment time of 4 hours (delivered to the customers doorstep) of the order is free. If the service fulfillment follows an exponential distribution with a mean time of fulfillment of 2.5 hours, then what is the probability of a given order NOT being late?round to 3 decimal places. Note this is not expressed as a percentage. Please show step by step of how you got the answer. hint: use the exponential function.

Answer rating: 100% (QA)

To solve this problem we can use the formula for the cumulative distribution function ... View the full answer