Find the Standard Deviation of the Binomial Random Variable

question 23

Multiple Choice

Find the standard deviation of the binomial random variable.
-A company manufactures batteries in batches of 26 and there is a 3% rate of defects. Find the standard deviation for the random variable X, the number of defects per batch.

• A)0.883
• B)0.853
• C)0.87
• D)0.867

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Definitions:

Coccyx Bone

The small bone at the base of the human vertebral column, often referred to as the tailbone, which is a remnant of a vestigial tail.

Vestigial Character

A feature or organ that has diminished in size or usefulness in the course of evolution.

Common Ancestor

An ancestral organism from which two or more descendant species evolved.

Hominins

Members of the human lineage, including all species that have arisen since the split from our common ancestor with chimpanzees, characterized by bipedalism and larger brains.