The Manager of a Grocery Store Has Taken a Random

question 9

Multiple Choice

The manager of a grocery store has taken a random sample of 100 customers.The average length of time it took these 100 customers to check out was 3 minutes.It is known that the standard deviation of the population of checkout times is 1 minute.The standard error of the mean equals

• A) .001.
• B) .010.
• C) .100.
• D) 1.000.

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Definitions:

Erythro

A descriptor in stereochemistry denoting molecules with similar substituents on the same side in a Fisher projection.

Threo

Refers to a specific stereochemical configuration in certain molecules where two substituents are on opposite sides of a molecule, often used in the context of sugar chemistry.

D-Glucopyranose

A cyclic form of glucose with a six-membered ring, it is a common form of glucose found in nature.

L-Galactopyranose

A monosaccharide sugar molecule with the pyranose ring form of galactose, essential in various biological processes.