The Lifetime of a Stereo Component Is Exponentially Distributed with Mean

question 113

Multiple Choice

The lifetime of a stereo component is exponentially distributed with mean 1,000 days.What is the probability that the lifetime is greater than or equal to 700 days?

• A).7603
• B).5034
• C).2397
• D).4966

---

Definitions:

Cervix

The entrance into the uterus.

Sterile Water

Water that has been purified and treated to remove all microbes and contaminants, often used for medical or laboratory procedures.

Sterile Saline

A salt solution prepared in a manner that prevents contamination by microorganisms and is used for medical purposes such as wound irrigation and intravenous drips.