The Chief of the Design Team for a New Missile

question 55

Multiple Choice

The chief of the design team for a new missile wants to know the reliability of its guidance system.This system is comprised of three components: a gyroscope,which has a random failure rate of 3 in every 10 launches; a computer,which has a random failure rate of 2 in every 10 launches; and a rocket motor,which has a random failure of 1 in every 10 launches.If they were to connect a backup gyroscope with a.90 reliability to the primary gyroscope,what would be the reliability of the gyroscope function during a launch?

• A)0.3
• B)0.504
• C)0.7
• D)0.889
• E)0.97

---

Definitions:

Earnings Per Share

A financial metric indicating the portion of a company's profit allocated to each outstanding share of common stock.

Market Price

The existing price for purchasing or selling an asset or service.

Investment

The allocation of resources, usually money, in the expectation of generating an income or profit.

Stock Dividend

A dividend payment made to shareholders in the form of additional shares, rather than cash.