2 part question

At the customer service counter, there are three steps to process a product a customer wishes to return. These steps are: 1) examine the original sales invoice to ensure the customer purchased the item from the store, 2) enter the item back into the store's inventory records, and 3) issue the customer a store credit for the amount of the item. An analysis of the last 1200 customer return transactions uncovered 9 errors. This results in a DPMO of approximately: A certain process is under statistical control and has a mean value of =130 and a standard deviation of =10. The specifications for this process are UTL = 153 and LTL=105. Assuming a normal distribution, what percent of the product can be expected to fall outside the specifications? Less than 1.5% Greater than 1.5% but less than or equal to 1.9\% Greater than 1.9% but less than or equal to 2.3\% Greater than 2.3\%