The time it takes a person to make breakfast is exponential with a mean of 50 minutes, and the time it takes for a person to make dinner is exponential with a mean of 50 minutes. What is the probability that the total cooking time for a 5 day work week is not larger than 10 hours? What is the probability that the minimum cooking time (breakfast and dinner) for any given day during the 5 day work week is less than 1 hour? What is the probability that the maximum cooking time (breakfast and dinner) for any given day during the 5 day work week is less than 2 hours?