Two Vectors Lie with Their Tails at the Same Point

question 2

Multiple Choice

Two vectors lie with their tails at the same point.When the angle between them is increased by 20° the magnitude of their vector product doubles.The original angle between them was about:

• A)0°
• B)18°
• C)25°
• D)45°
• E)90°

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Definitions:

Base-Rate Information

Statistical information that indicates how common a particular trait, behavior, or characteristic is within a given population or context.

Availability Heuristic

A cognitive bias that causes people to overestimate the importance of information that is readily available to them.

Illusory Correlations

The belief in a connection between two factors when, in reality, no such connection is present.

Phonemes

The minimal sound component in a language that differentiates one word from another.