Find the Standard Deviation of the Binomial Random Variable

question 11

Multiple Choice

Find the standard deviation of the binomial random variable.
-On a multiple choice test with 10 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the random
Variable X, the number of correct answers.

• A)1.299
• B)1.342
• C)1.369
• D)1.273

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Definitions:

Nurturant

Characteristic of providing care and nurturing, especially in a way that fosters growth and development.

Coregulation

A process of interaction where two or more individuals adjust their actions and behaviors in response to each other to maintain harmony and support in a relationship.

Parent

An individual who has begotten or borne offspring and is responsible for their care and upbringing.

Child

A child is a young human being below the age of puberty or below the legal age of majority.