What Cashiers Do About this section Cashiers process returns and exchanges of merchandise. Cashiers process payments from customers purchasing goods and services.
Statistics and Probability Dictionary. Select a term from the dropdown text box. The online statistics glossary will display a definition, plus links to other related web pages. Select term: Conditional Probability. The probability that event A occurs, given that event B has occurred, is called a conditional probability. The conditional probability of A, given B, is denoted by the symbol P(A|B).
In this lesson, our goals are to: 1  Understand the definition of conditional probability. 2  Learn how to use the relative frequency approach to assigning probability to find the conditional probability of an event from a two-way table. 3  Learn how to use the formula for conditional probability.