One of the Solar Instruments on a Satellite Has Three

question 11

Multiple Choice

One of the solar instruments on a satellite has three major parts which must all operate.Two have reliabilities of .7,and the other has a reliability of .9.In case the system fails,there is an identical backup system for each component which kicks on automatically.The overall reliability of the system,including the backups,is closest to:

• A).40
• B).50
• C).60
• D).70
• E).80

---

Definitions:

Major Organic Product

The primary product resulted from an organic reaction, typically the one formed in the greatest yield.

Methylation

The chemical process of adding a methyl group to a molecule, often resulting in changes to the molecule's physical properties or biological activity.

Carboxylic Acid

Organic compounds characterized by a carboxyl group, commonly involved in acid-base reactions and synthesis.

Diazomethane

A highly reactive organic compound with the formula CH2N2, used especially in chemical synthesis as a methylating agent.