Each of 26 Cards Has a Different Letter of the Alphabet

question 27

Short Answer

Each of 26 cards has a different letter of the alphabet on it. You pick one card at random. A vowel is worth 3 points and a consonant is worth 0 points. Let X = the value of the card picked. Find E(X), V (X), and the standard deviation of X .

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Definitions:

Intentional Iteration

The deliberate repeated process of testing and refining a product, service, or strategy based on feedback and learning.

Constructive Failure

Experiences of failure that provide valuable lessons and opportunities for growth, rather than leading to negative outcomes.

Blame-Free Environment

A work or organizational culture that focuses on learning and correcting issues without assigning blame to individuals, encouraging open communication and continuous improvement.

Founders

Individuals who establish a business or organization, often contributing the initial vision and resources.