On an Exam Question Asking for a Probability, Sue Had $\frac { 13 } { 8 }$

question 40

Short Answer

On an exam question asking for a probability, Sue had an answer of $\frac { 13 } { 8 }$ . Explain how she knew that this result was incorrect.

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Definitions:

Calcaneus

The largest bone in the foot, also known as the heel bone, that forms the foundation of the rear part of the foot and serves as an important point for the attachment of muscles and ligaments.

Osteoarthritis

A degenerative joint disease characterized by the breakdown of joint cartilage and underlying bone, leading to pain and stiffness.

Autoimmune Disease

Disease resulting from a specific immune system reaction against self-antigens.

Articular Cartilage

Smooth, white tissue that covers the ends of bones where they come together to form joints, helping to reduce friction and absorb shock.