Final answer:
The student's question was partially mathematical, asking for the total number of greetings (2) and the relationships of who greeted whom (Tom greeted Beth, Beth greeted Dawn). The social dynamics and average greeting time, however, could not be determined due to lack of information or subjective nature of the question.
Step-by-step explanation:
The question posted by the student refers to social interactions and is a pre-text to a mathematical exercise about determining the number of events, analyzing patterns, and performing simple calculations.
Answer to the Question:
- Total number of greetings: There were 2 greetings in total.
- Who greeted whom: Tom greeted Beth, Beth greeted Dawn, and there was no greeting between Tom and Dawn.
- As for the social dynamics, this part of the question seems more subjective and could relate to an assessment of how individuals are socially interacting or forming networks. However, the information provided is insufficient to make any analysis. There is no indication of whether these greetings were friendly or simply polite formalities, or whether the absences of a greeting between Tom and Dawn was intentional or accidental.
- To calculate an average greeting time, we would need information on the duration of each greeting or the time between greetings which is not provided in the question.
The latter two parts of the question (c and d) are either subjective or lacking information for a definitive mathematical answer.