If employers do not require a(n) , performance appraisal ratings often do not match the normal distribution of a bell-shaped curve.

forced distribution

Explanation:

Based on the rest of the sentence it can be said that the missing term is forced distribution. This is a system that requires managers to evaluate each individual and rank them typically into one of three categories. These categories are excellent, good, and poor and allow managers to indicate if the employee should be terminated, is doing good, or is in-line for promotion as indicated in the graph below. This term is also known as the vitality curve or bell curve.

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?