Suppose Your Firm Is Buying Five New Computers

question 45

Short Answer

Suppose your firm is buying five new computers. The manufacturer offers a warranty to replace any computer that breaks down within three years. Suppose there is a 25% chance that any given computer breaks down within three years.
A) What is the probability that exactly one of the computers breaks down within five years?
B) What is the probability that at least one of the computers breaks down within five years?
C) Suppose the warranty for five computers costs $700, while a new computer costs $600. Is the warranty less expensive than the expected cost of replacing the broken computers?

• A) What is the probability that exactly one of the computers breaks down within five years?
• B) What is the probability that at least one of the computers breaks down within five years?
• C) Suppose the warranty for five computers costs $700, while a new computer costs $600. Is the warranty less expensive than the expected cost of replacing the broken computers?

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Definitions:

Unconscious

The part of the mind not in current awareness but that influences feelings, thoughts, and behaviors.

Consciousness

Moment-by-moment awareness of ourselves, our thoughts, and our environment.

Inverted Spectrum

A hypothetical concept suggesting that people could perceive colors differently; e.g., someone's red might be another's blue, yet they function normally without realizing the disparity.

Color-Blind

The inability to discern certain shades of color or, in some cases, any color at all.