Thirty Percent of the CFA Candidates Have a Degree in Economics

question 140

Multiple Choice

Thirty percent of the CFA candidates have a degree in economics. A random sample of three CFA candidates is selected. What is the probability that none of them has a degree in economics?

• A) 0.027
• B) 0.300
• C) 0.343
• D) 0.900

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Definitions:

Fiberglass

A reinforced plastic material composed of glass fibers embedded in a resin matrix, known for its strength and durability.

Copper Rotor

A copper rotor is a component of an electric motor, where copper is used in the rotor windings due to its high electrical conductivity, improving motor efficiency.

Permanent Magnet Motors

Electric motors that use permanent magnets rather than electromagnets to generate the magnetic field required for rotation.

Lightweight Rotors

Rotors designed to reduce the overall mass, enhancing the mechanical efficiency and response of a system.