An Italian restaurant advertises that carryout orders take about 21 minutes. Assume that the time it takes for an order to be ready follows the exponential distribution with a mean of 21. What is the probability that an order will be ready within 23 minutes? Answer to three decimal places if needed.
An Italian restaurant advertises that carryout orders take about 21 minutes. Assume that the time it takes for an
order to be ready follows the exponential distribution with a mean of 21. What is the probability that an order will be ready within 23 minutes? Answer to three decimal places if needed.