The Life of a Light Bulb Is Exponentially Distributed with a Mean

question 9

Multiple Choice

The life of a light bulb is exponentially distributed with a mean of 1,000 hours. What is the probability that the bulb will last less than 800 hours?

• A) .6321
• B) .5507
• C) .7135
• D) .4493

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Definitions:

Specific Constructs

Detailed and precise abstract concepts used to explain or predict phenomena in a narrowly defined context.

Enduring

Enduring refers to something lasting, stable, or persistent over time, often despite challenges or changes.

Resistant

Refers to the act of opposing or striving against something.

Personal Construct Theory

A psychological theory that suggests individuals use personal constructs, which are bipolar mental templates, to interpret and predict events in their lives.