Final answer:
A disgruntled customer will typically tell between 9 to 15 people about their experience, reflecting the importance of customer service in business reputation management.
Step-by-step explanation:
Most experts estimate that a disgruntled customer will tell between 9 to 15 people how they were treated. This range takes into account the variability in customer behavior and the potential for one experience to be shared multiple times across different social platforms and direct interactions. While the exact number may vary, it's important for businesses to recognize the impact that a single negative experience can have due to the rapid spread of information in today's connected world.