Find the Number of Standard Deviations from the Mean

question 131

Multiple Choice

Find the number of standard deviations from the mean. Round your answer to two decimal places.
-In one town, the number of pounds of sugar consumed per person per year has a mean of 8 pounds and a standard deviation of 1.6 pounds. Tyler consumed 12 pounds of sugar last year. How many standard deviations from the mean is that?

• A) 2.50 standard deviations below the mean
• B) 1.33 standard deviations above the mean
• C) 2.50 standard deviations above the mean
• D) 1.33 standard deviations below the mean

Learn to discuss causes and effects within the context of essay and paragraph writing.

Understand and calculate the mean of a probability distribution.

Understand and calculate the expected number of occurrences in a given time frame or sample size.

Understand and calculate the standard deviation of a probability distribution.

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Definitions:

Nanometers

A unit of measurement equal to one billionth of a meter, often used to specify the size of particles or wavelengths in the field of nanotechnology and physics.

Picometers

A unit of length in the metric system equal to one trillionth of a meter, often used to measure atomic and molecular sizes.

Micrometers

Units of measurement equal to one-millionth of a meter, commonly used in science to measure microorganisms or cellular structures.

Capsid

Protein coat surrounding the nucleic acid of a virus.