The Lifetime of a Stereo Component Is Exponentially Distributed with Mean

question 141

Multiple Choice

The lifetime of a stereo component is exponentially distributed with mean 1,000 days. What is the probability that the lifetime of the stereo component exceeds 1,000 days?

• A) .6321
• B) .5000
• C) .3679
• D) 1.000

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Definitions:

Rivet Heads

The exposed, finished part of a rivet that is visible after installation, used to join two or more pieces of material together.

Star-Shaped Driver

A tool designed to interact with screws having a star-shaped pattern, often referred to as Torx drivers.

Torx Heads

A type of screw head characterized by a six-pointed star shape, designed to provide a better grip and torque than traditional screw heads.

Open-End Jaw

A wrench design featuring a U-shaped opening that grips two opposite sides of a nut or bolt head.