The mean of the time it takes for a product to arrive from China is 60 days and the standard deviation is 10 days. What is the probability that if 2 products are ordered from China, each of them will...

The mean of the time it takes for a product to arrive from China is 60 days and the standard deviation is 10 days. What is the probability that if 2 products are ordered from China, each of them will take 70 or more days to arrive. Assume that the arrival time of these 2 products are independent.