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:

Alkene Products

Chemical substances resulting from reactions involving alkenes, which are hydrocarbons with at least one carbon-carbon double bond.

Predominate

To be the strongest or main element; to have a commanding or dominant position.

2-Methylbutane

An organic compound, also known as isopentane, characterized by a branched chain of carbon atoms, used as a refrigerant and in organic synthesis.

2-Methylbut-1-ene

An alkene with the formula C5H10, featuring a double bond at the first position and a methyl group at the second position.