Question

when randomly selecting an adult, a denotes the event of selecting someone with blue eyes. what do p(a) and p(ā) represent? p(a) represents the p(ā) represents the event of selecting an adult who does not have blue eyes event of selecting an adult with blue eyes. probability of selecting an adult who does not have blue eyes probability of selecting an adult with blue eyes

Explanation:

In probability, $P(A)$ is the probability of event $A$ occurring. Here, event $A$ is selecting an adult with blue - eyes. $\overline{A}$ is the complement of event $A$, and $P(\overline{A})$ is the probability of the complement event occurring, which is selecting an adult without blue - eyes.

Answer:

$P(A)$ represents the probability of selecting an adult with blue eyes.
$P(\overline{A})$ represents the probability of selecting an adult who does not have blue eyes.