A Grocery Store Owner Claims That the Mean Amount Spent $\$ 56$

question 136

Multiple Choice

A grocery store owner claims that the mean amount spent per checkout is more than $\$ 56$ A test is made of $H _ { 0 } : \mu = 56$ versus $H _ { 1 } : \mu > 56$ . The null hypothesis is rejected. State the appropriate conclusion.

• A) There is not enough evidence to conclude that the mean checkout price is less than or equal to $56.
• B) The mean checkout amount is less than or equal to $56.
• C) The mean checkout amount is greater than $56.
• D) There is not enough evidence to conclude that the mean checkout price is greater than $56.

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Definitions:

Efficient Water Pump

A device or system that minimizes energy consumption while maximizing the volume of water moved or lifted.

Basal Body

A structure derived from a centriole that forms the basis of a ciliary or flagellar structure in eukaryotic cells.

Filament

(1) In flowering plants, the thin stalk of a stamen; the filament bears an anther at its tip. (2) In muscles, a myofilament; when myofilaments slide past one another, muscle contraction occurs.

Hook

In a biological context, can refer to a curved or angular part of an organ or structure which may serve for attachment or for the handling of materials.