A Multiple-Choice Test Consists of Six Questions, Each with A-E

question 119

Multiple Choice

A multiple-choice test consists of six questions, each with A-E answers. If you guess the answer to
Each question, how many questions can you expect to get correct?

• A) 1
• B) 3
• C) 2
• D) 1.2

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Definitions:

Walking Upright

Refers to the ability of humans and their ancestors to move by standing on two feet and using the legs for locomotion, distinguishing them from quadrupedal animals.

Large Brains

Refers to species, including humans, that have brains larger than would be expected based on their body size, often associated with higher levels of cognitive function.

Notochord

A flexible rod-shaped body found in the embryonic stage of all chordates that provides skeletal support.

Longitudinal

Pertaining to research or studies that follow the same subjects over a period of time to observe changes.