While the overwhelming majority of lexical items in Quebec French exist in other dialects of French, many words and expressions are unique to Quebec, much like some are specific to American and British varieties of English. 1  The differences can be classified into the following five categories.
Remember, a conditional probability is a type of dependent event. Conditional probability involves finding the probability of an event occurring based on a previous event already taking place. The difference is that with conditional probabilities we are just looking for the probability of one specific event occurring.
Note that conditional probability of $P(A|B)$ is undefined when $P(B)=0$. That is okay because if $P(B)=0$, it means that the event $B$ never occurs so it does not make sense to talk about the probability of $A$ given $B$. Fig. 1.21 - Venn diagram for conditional probability, $P(A|B)$.