Let the Random Variable X Denote the Number of Children

question 179

Essay

Let the random variable X denote the number of children who do not recognize their mother's voice.Find the variance of X.

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Do-It-Yourself

An approach or activity that involves individuals completing tasks or projects on their own without professional assistance.

Popular Mechanics

A magazine that focuses on how things work and covers a variety of topics on science, technology, and various projects.

Dissociative Group

A social group with which an individual does not identify or wishes to distance themselves from.

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Organized groups of people with similar political aims and opinions, that seek to influence public policy by getting their candidates elected to public office.