An Unfair Coin Has a Probability 0

question 55

Multiple Choice

An unfair coin has a probability 0.4 of landing heads. The coin is tossed four times. What is the probability that it lands heads at least once?

• A) 0.25
• B) 0.9744
• C) 0.8704
• D) 0.936

---

Definitions:

Arteriosclerosis

The thickening, hardening, and loss of elasticity of artery walls, leading to restricted blood flow and increased risk of heart disease.

Ischemic Stroke

A type of stroke caused by a blockage in an artery that reduces or stops blood flow to a part of the brain, leading to tissue damage.

Blood Clot

A mass formed by the coagulation of blood, which can be beneficial in preventing blood loss from injuries but harmful if it blocks blood flow through veins or arteries.

Artery

Blood vessels that carry oxygen-rich blood away from the heart to the body.