posted by Anonymous .
A widget factory's worker productivity is normally distributed. one worker produces an average of 75 widgets per day with a standard deviation of 20. another worker produces at an average rate of 65 per day with standard deviation of 21. 1)what is the probability that in any single day worker 1 will outproduce worker 2? 2) what is the probability that during one week (5 working days) worker 1 will outproduce worker 2?