The component of a decision support system (DSS) includes mathematical and statistical models that, along with the database, enable a DSS to analyze information.
a. DSS engine
b. model base
c. user interface
d. database model

Which of the following parabolas opens down?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false