A Sample of Size 40 Is Taken from an Infinite

question 66

Multiple Choice

A sample of size 40 is taken from an infinite population whose mean and standard deviation are 68 and 12,respectively.The probability that the sample mean is larger than 70 equals

• A)P(Z > 70)
• B)P(Z > 2)
• C)P(Z > 0.17)
• D)P(Z > 1.05)

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Definitions:

Main Pressure

Refers to the primary pressure within a system, such as the hydraulic pressure in an automotive braking system or the main air pressure in a compressed air system.

Within Specification

The state of an item or system operating or existing within the set limits defined by the manufacturer or industry standards.

Clutch Control

The mechanism or system that engages or disengages the engine from the drivetrain in a manual transmission vehicle.

Caterpillar CX

A series of industrial power transmission components, such as heavy-duty automatic transmissions, made by Caterpillar Inc. for various applications.