Homework Help: probability

Posted by jim on Monday, August 30, 2010 at 10:16pm.

The life of a certain type of device has an advertised failure of rate .01 per hour. The failure rate is constant and the exponential distribution applies.
(a)What is the mean time to failure?

(b)What is the probability that 150 hours will pass before a failure is observed?

(c)What is the probability that 3 of the next 6 failures observed will occur after 150 hours have passed?

(d)What is the probability that at most 3 failures will occur in 150 hours?

No one has answered this question yet.

Answer this Question

Related Questions

probability - 3)If the random variable T is the time to failure of a commercial ...
Intro to Local Area Networks - 1. System A consists of a single ring with 100 ...
math - A new chewing gum has been developed that is helpful to those who want to...
Statistics - A manufacturer has observed that a certain product tends to fail ...
Math - An experiment has probability p of success, q of failure and 1 - p - q of...
math-Probability - In a certain manufacturing process the probability of a type ...
math - If a failure rate is 0.15 what is the probability of 5 failures in a row?
probability - An aircraft is equipped with three engines that operate ...
english - her failure is their failure also. can i rewrite that to her failure ...
statistics - An aircraft is equipped with three engines that operate ...

For Further Reading

First Name:
School Subject:
Answer: