The Lifetime of a Certain Type of Battery Is Normally

question 15

Essay

The lifetime of a certain type of battery is normally distributed with mean value 12 hours and standard deviation 1 hour. There are four batteries in a package. What lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages?

---

Definitions:

Cultural Sensitivity

Respect and appreciation for cultural behaviours based upon an understanding of the other person’s perspective

Cultural Nursing Care

Nursing practice that takes into account patients' cultural beliefs, behaviors, and needs in the delivery of healthcare services.

Orthodox Jewish Faith

A set of religious beliefs and practices followed by Orthodox Jews, emphasizing strict adherence to the Torah and Talmud.

Kosher Customs

Religious dietary laws followed by many Jews which dictate what foods can be eaten and how they must be prepared.