A Health Conscious Student Faithfully Wears a Device That Tracks

question 21

Multiple Choice

A health conscious student faithfully wears a device that tracks his steps. Suppose that the distribution of the number of steps he takes in a day is normally distributed with a mean of 10,000 and a standard deviation of 1,500 steps. One day he took 15,000 steps. What was his percentile on that day?

• A)95%
• B)97.7%
• C)99.7%
• D)100%

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Definitions:

Driven

Being strongly motivated or compelled to achieve something.

Unconscious Efforts

Actions or processes that occur without conscious awareness or intention, driven by the unconscious mind.

Defense Mechanisms

Psychological strategies used by individuals to cope with reality and to maintain self-image, often unconsciously.

Reality

The state of things as they actually exist, as opposed to an idealistic or notional idea of them.