How Many Event-Listener Interfaces Correspond to Each Event Type

question 7

Multiple Choice

How many event-listener interfaces correspond to each event type?

• A)one.
• B)two.
• C)one or more.
• D)zero.

---

Definitions:

Statistical Hypothesis

A conjecture about a parameter or distribution in statistics that can be tested against observational data.

Probability

The probability of an event happening, represented by a numerical value ranging from 0 to 1.

Probability

A measure of the likelihood that an event will occur, expressed on a scale from 0 (impossible) to 1 (certain).

Statistic

A numerical value derived from a sample that represents a feature of the population from which it was drawn.