The Reliability of a New Model of CD Player Can

question 71

Multiple Choice

The reliability of a new model of CD player can be described by the exponential function R(t) = 2.7-(1/3) t, where the reliability R is the probability (as a decimal) that the CD player is still working t years after it is manufactured. Round the answer to the nearest hundredth. Then write your answer as a percent.
-What is the probability that the CD player will still work 5 years after it is manufactured?

• A) 1%
• B) 94%
• C) 19%
• D) 7%

---

Definitions:

Cognitive Structures

Mental frameworks that help individuals organize and interpret information, fundamental to learning and understanding the world.

Beliefs and Feelings

Internal cognitive and emotional states that influence an individual's perceptions and actions.

Moral Development

Refers to the process by which individuals acquire the standards of morality and ethics, understanding the difference between right and wrong.

Lawrence Kohlberg

An American psychologist best known for his theory of stages of moral development.