A Student and a Professor Each Choose a Number Between $\frac { 1 } { 81 }$

question 72

Multiple Choice

A student and a professor each choose a number between 1 and 9 (1 and 9 are both possible choices) . What is the probability that the two choose the same number?

• A) \(\frac { 1 } { 81 }\)
• B) \(\frac { 1 } { 9 }\)
• C) \(\frac { 2 } { 81 }\)
• D) \(\frac { 2 } { 9 }\)

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Definitions:

Younger Age

Refers to an early stage in the life span, typically a period characterized by rapid physical and psychological development.

Spreading Activation

A process by which activation of particular concepts in memory spreads to related concepts, making them easier to recall.

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Attention is the selective concentration on information or stimuli, excluding other perceivable information.

Nile River

One of the world’s longest rivers, flowing through northeastern Africa, it is a crucial water source for the countries it spans and has been integral to the region's history.