Instruction 4.9
A sample of 300 adults is selected. The contingency table below shows their registration status and their preferred source of information on current events.

-Referring to Instruction 4.10,the two events 'preferring' beer and 'preferring' wine are statistically independent.

Question

Instruction 4.9
A sample of 300 adults is selected. The contingency table below shows their registration status and their preferred source of information on current events.
 
-Referring to Instruction 4.10,the two events 'preferring' beer and 'preferring' wine are statistically independent.

Quizplus · Accepted Answer

The preference for beer and the preference for wine are not statistically independent because the preference for one can affect the preference for the other. If someone prefers beer, it might decrease the likelihood that they also prefer wine, and vice versa.

Instruction 4.9 A Sample of 300 Adults Is Selected. the Contingency Table