You Flip a Coin Three Times and Keep a Record

question 33

Multiple Choice

You flip a coin three times and keep a record of the results. In how many ways could you obtain at least one tail? ​

• A) 4
• B) 11
• C) 9
• D) 8
• E) 7

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Definitions:

Insomnia

A sleep disorder characterized by difficulty falling or staying asleep.

Difficulty Falling Asleep

A sleep disorder where an individual struggles to transition from wakefulness into sleep, often leading to insufficient rest.

Awakens Easily

A trait or condition where an individual can wake up quickly and with minimal effort from sleep.

Immune System

The body's defense mechanism against infectious organisms and other invaders, composed of a network of cells, tissues, and organs.