A Magician Has a Coin That May or May Not

question 27

Multiple Choice

A magician has a coin that may or may not be fair. The results of 30 flips of the coin are H H T H T H H T H H T H H T H T H H H T T T T T H H H H H T. For the Wald-Wolfowitz runs test, the value of the total number of runs R is ________.

• A) 8
• B) 11
• C) 16
• D) 19

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Definitions:

Immune System

The body's defense system against pathogens, consisting of a network of cells, tissues, and organs that work together to protect the body.

Exaggerated Response

An exaggerated response is an overreactive or heightened reaction to a stimulus, which can be physiological or emotional.

Passive Artificial Immunity

Immunity acquired by the transfer of antibodies from another individual, as through injection or from mother to fetus across the placenta.

Adaptive Immunity

The branch of the immune system that involves the creation of antibodies and memory cells in response to an exposure to a specific pathogen, providing long-term immunity.