To Measure the Population of Lake Trout in a 250-Hectare

question 62

Multiple Choice

To measure the population of lake trout in a 250-hectare lake, 500 individual trout were captured using nets and marked with a fin clip, then returned to the lake. The next week, the trout capture was repeated, and out of the 200 lake trout that were caught, 50 had fin clips. Using the mark-recapture estimate, the lake trout population size is predicted to be closest to which of the following?

• A) 200
• B) 400
• C) 1,600
• D) 2,000

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Definitions:

Monetary Authorities

Institutions, typically government bodies or central banks, responsible for controlling a country's money supply and implementing monetary policy.

Money Supply

The total amount of monetary assets available in an economy at a specific time, including cash, coins, and balances held in checking and savings accounts.

Investment

The allocation of resources, usually financial, in expectation of future returns, such as income or capital gains.

Nominal Interest Rate

The stated interest rate on a loan or investment, not adjusted for inflation.