Scientists in the Amazon Are Trying to Find a Cure

question 121

Multiple Choice

Scientists in the Amazon are trying to find a cure for a deadly disease that is attacking the rain forests there. One of the variables that the scientists have been measuring involves the diameter of the trunk of the trees that have been affected by the disease. Scientists have calculated that the average diameter of the diseased trees is 42 centimeters. They also know that approximately 95% of the diameters fall between 32 and 52 centimeters and almost all of the diseased trees have diameters between 27 and 57 centimeters. When modeling the diameters of diseased trees, which distribution should the scientists use?

• A) uniform distribution
• B) binomial distribution
• C) normal distribution
• D) exponential distribution

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Definitions:

Flow Variable

A quantity that is measured over a specified period of time, contrasting with stock variables which are measured at one specific time.

Money Supply

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

Household Debt

The total amount of debt, including mortgages, credit cards, loans, etc., owed by all members of a household.

Macroeconomics

The branch of economics that studies overall economic dynamics such as total output, employment levels, and inflation across an entire economy.