A Rumor Begins to Spread Across a College Campus $D = \frac { \ln 2 } { r / 7 }$

question 98

Multiple Choice

A rumor begins to spread across a college campus. The amount of time in days that it takesthe number of people that have heard it to double is given by $D = \frac { \ln 2 } { r / 7 }$ where r is the rate of the spread of the rumor per week. If a particular rumor is spreading at a rate of 28% per week, how long is the doubling time? Round to the nearest tenth of a day.

• A) 2.5 days
• B) 3.9 days
• C) 17.3 days
• D) 13.9 days

Appreciate the importance of biodiversity and species diversity measures, including the Shannon index, in assessing ecosystem health.

Examine human practices in agriculture and conservation that influence biodiversity and ecosystem stability.

Analyze the effect of external factors, including abiotic filters and disturbances, on community composition and succession.

Understand the concept and significance of keystone species, ecosystem engineers, and primary consumers in ecosystems.

---

Definitions:

High Achievers

Individuals who consistently perform at a high level and excel in their respective areas of activity or expertise.

Immediate Feedback

Information provided instantly after an action, helping in quick learning or correction.

Golf

A sport in which players use clubs to hit balls into a series of holes on a course in as few shots as possible.

International Consumers

are individuals or groups who purchase goods and services outside of their home country, influenced by global marketing and cultural preferences.