A Local Ice Cream Shop Wants to See If They

question 63

Multiple Choice

A local ice cream shop wants to see if they should promote a new swizzleberry swirl or creamsicle flavored drink.In order to determine which one to promote,they took a sample of 80 patrons and asked them to choose which they preferred.The one that is significantly preferred over the other (at a .05 level of significance) will be promoted.It is expected that an equal number of patrons will choose each flavor.Based on the observed frequencies given below,what is the decision for this test?

• A)Promote the swizzleberry swirl flavored drink.
• B)Promote the creamsicle flavored drink.
• C)Do not promote any flavored drinks.
• D)There is not enough information to answer this question.

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Definitions:

Free Ends

The extremities or terminals of a linear structure, such as a piece of DNA or a thread, that are not attached or bonded to anything else.

Hydrophobic

Characteristic of molecules that repel water; substances that are not easily soluble in water.

Hydrophilic

A term describing molecules or substances that have an affinity for water, making them capable of dissolving in or being wetted by water.

Fatty Acid

A lipid that is an organic acid containing a long hydrocarbon chain, with no double bonds (saturated fatty acid), one double bond (monounsaturated fatty acid), or two or more double bonds (polyunsaturated fatty acid); components of triacylglycerols and phospholipids, as well as monoacylglycerols and diacylglycerols.