The Average Amount Customers at a Certain Grocery Store Spend

question 106

Multiple Choice

The average amount customers at a certain grocery store spend yearly is $635.55. Assume the
Variable is normally distributed. If the standard deviation is $94.41, find the probability that a
Randomly selected customer spends between $569.46 and $758.28.

• A)0.784 = 78.4%
• B)0.133 = 13.3%
• C)0.145 = 14.5%
• D)0.661 = 66.1%

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Definitions:

Primary Circuit

The primary circuit refers to the main electrical circuit in a system, responsible for supplying power to the system's primary components.

Secondary Circuit

In automotive systems, this usually refers to a part of the electrical or fuel system that functions after the primary components, such as the spark plug's ignition in a car's engine.

Air Brake Systems

A type of brake system used in large, heavy vehicles where compressed air applies pressure to the brake pad or shoe.

Relay Valve Crack Pressures

The minimum pressure that must be reached in a pneumatic system before a relay valve opens, allowing air to flow through and activate other components.