The Chief of the Design Team for a New Missile

question 25

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.What is the probability that the gyroscope will perform reliably during a launch?

• A)0.300
• B)0.504
• C)0.700
• D)0.889
• E)0.910