Although tend to have high predictive validity in many types of jobs, their usage in employee selection is controversial because they tend to result in lower selection rates for minority applicants.

The manager of a branch office of banco mexicali observed that during peak hours an average of 20 customers arrives per hour and that there is an average of 6 customers in the branch office at any time. how long does the average customer spend waiting in line and being serviced?

Pressure systems, inc., manufactures high-accuracy liquid-level transducers. it is investigating whether it should update certain equipment now or wait to do it later. if the cost now is $200,000, what will the equivalent amount be 3 years from now at an interest rate of 10% per year?

While studying for the engineering economy final exam, you and two friends find yourselves craving a fresh pizza. you can't spare the time to pick up the pizza and must have it delivered. "pick-up-sticks" offers a 1-1/4-inch-thick (including toppings), 20-inch square pizza with your choice of two toppings for $15 plus 5% sales tax and a $1.50 delivery charge (no sales tax on delivery charge). "fred's" offers the round, deep-dish sasquatch, which is 20 inches in diameter. it is 1-3/4 inches thick, includes two toppings, and costs $17.25 plus 5% sales tax and free delivery. 1. what is the problem in this situation? state it in an explicit and precise manner. 2. systematically apply the seven principles of engineering economy (pp. 3-6) to the problem you have defined in part (a). 3. assuming that your common unit of measure is dollars (i.e., cost), what is the better value for getting a pizza based on the criterion of minimizing cost per unit of volume? 4. what other criteria might be used to select which pizza to purchase?