A factory's worker productivity is normally distributed. One worker produces an average of 75 units per day with a standard deviation of 20.

A factory's worker productivity is normally distributed. One worker produces an average of 75 units per day with a standard deviation of 20. Another worker produces at an average rate of 65 per day with a standard deviation of 21. What is the probability that during one week (5 working days) worker 1 will outproduce worker 2?