Conceptual Question 13-9 Which of the following... Which of the following changes in the in-stock probability increases the order quantity the most? An increase in the in-stock probability from 70 Percent to 80 Percent. An increase in the in-stock probability from 70 Percent to 85 Percent. An increase in the in-stock probability from 80 Percent to 90 Percent. An increase in the in-stock probability from 80 Percent to 95 Percent