The Owner of a Fish Market Has an Assistant Who

question 40

Multiple Choice

The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed,with mean of 3.2 pounds and standard deviation of 0.8 pound.If a sample of 16 fish is taken,what would the standard error of the mean weight equal?

• A)0.003
• B)0.050
• C)0.200
• D)0.800

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Definitions:

Hydrophobic End

The part of a molecule that repels water, often found in molecules like lipids that have both hydrophilic (water-attracting) and hydrophobic (water-repelling) ends.

Hydrophilic End

The part of a molecule that is attracted to water, allowing it to dissolve or interact favorably with water molecules.

Condensation Reaction

A reaction in which two monomers are combined covalently through the removal of the equivalent of a water molecule; also called condensation synthesis. Compare with hydrolysis reaction.

Polymer

Large molecules composed of repeated subunits, which may be identical or different, known as monomers.