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).
P(AjB) = the conditional probability of A given B. Example: Suppose a family has two children and suppose one of the children is a boy. What is the probability that both children are boys? To answer this question we suppose that it is equally likely to have boys or girls.