Refer to given Exercise. In order to boost product sales, the manager is contemplating the hiring of an additional sales staff. The added monthly cost of this hire will be $6000, but the expected monthly sales is projected to be $65,000 with a standard deviation of $5000. If the monthly goal value is still $42,000, what is the lower capability index? Is this a better situation compared to that in Exercise 9-46? In what proportion of the time will the goal value be met now?
Exercise
For a marketing manager of a company, product sales in a specified market is of importance. Currently, for a brand-named product, the mean monthly sales is $50,000 with a standard deviation of $3500.
Assuming normality of the distribution of monthly sales, for a minimum monthly goal of $42,000, what is the lower capability index? In what proportion of the time will the goal value be met?