Red Bull is the most popular energy drink in sales in the United States.

Red Bull is the most popular energy drink in sales in the United States. Red Bull GmbH (the parent company) has observed that daily sales are normally distributed with an average of 6,329,903 drinks sold with a standard deviation of 9,122.9. What is the probability that on a given day between 6,314,097 and 6,331,436 drinks are sold?