THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING

question 235

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
From past experience,it is known 90% of one-year-old children can distinguish their mother's voice from the voice of a similar sounding female.A random sample of 20 one-year-olds is given this voice recognition test.
-Find the probability at least 3 children do not recognize their mother's voice.

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Definitions:

Fed

The Federal Reserve System, which is the central bank of the United States responsible for monetary policy.

Money Supply

represents the total amount of monetary assets available in an economy at a specific time, including cash, coins, and balances held in bank accounts.

Interest Rates

The financial charge, calculated as a fraction of the principal, imposed by a lender on a borrower for asset use.

Monetary Multiplier

The ratio of the change in the money supply to the change in reserves, indicating the potential increase in money supply through the banking system.