TABLE 4-4
Suppose that patrons of a restaurant were asked whether they preferred beer or whether they preferred wine. 70% said that they preferred beer. 60% of the patrons were male. 80% of the males preferred beer.
-Referring to Table 4-4, the two events "preferring" beer and "preferring" wine are statistically independent.

Question

Quizplus · Accepted Answer

We cannot determine whether the two events "preferring" beer and "preferring" wine are statistically independent based on the given information. The percentage of females who prefer beer or wine is not provided, so we cannot determine if gender affects the preference. Without knowing the conditional probabilities, we cannot determine independence.

TABLE 4-4 Suppose That Patrons of a Restaurant Were Asked Whether They