The Fax Machine in an Office Is Very Unreliable

question 83

Short Answer

The fax machine in an office is very unreliable.If it was working yesterday, there is an 90% chance it will work today.If it was not working yesterday, there is a 5% chance it will work today.
(a)What is the probability that it is not working today, if it was not working yesterday?
(b)If it was working yesterday, what is the probability that it is working today?

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Definitions:

Cellular Respiration

The process by which cells produce energy from carbohydrates; oxygen is consumed as a reactant along with the organic fuel.

Calvin Cycle

A series of biochemical redox reactions that take place in the stroma of chloroplasts in photosynthetic organisms.

Glycolysis

The process of breaking down glucose into pyruvate, yielding energy in the form of ATP, within cells under anaerobic or aerobic conditions.

Chemiosmosis

The movement of ions across a semipermeable membrane, down their concentration gradient, which is used to generate ATP in cells.