Help! Tbh I have no idea how to approach this question. How would you solve it??
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This answer is far off from the real number, which is around 700K. Would the answer above still be accepted on the basis of having a well thought out structure behind it?
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Our Goal: #elephants
- #elephant = (elephant to human ratio) * (total human population)
- = 1 truck per 10,000 person (assumption) * 7B people
- = 7,000,000,000/10,000 elephants in total
- =70,000 elephants
- Life-span of elephants is approximately 70 years (in a poaching free forest)
- #elephants / lifespan
- = 70,000/70y = 1000/y (this is the #elephants dying every year)
- looks reasonable
- If you estimate how many elephants are born every year
- say we have a positive trend in elephant birth due to WWF's effort
- Approximately 5% per year, so 5% of the total amount will increase
- = 1000*5% = 50
- 1050 elephants take birth every year.
- The answer would be: there are 70,000 elephants in the world today and about 1050 take birth every year
1 comment
Always segment. You maybe able to segment by Wild vs Zoo...or segment by Continents vs percentage each continent has Elephants etc
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