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?

## Answer this Question

## Related Questions

- probability - 3)If the random variable T is the time to failure of a commercial ...
- Stats - The number of failures of a testing instrument from contamination ...
- Telecommunications - 1. System A consists of a single ring with 100 stations, ...
- LAN - 1. System A consists of a single ring with 100 stations, one per repeater...
- Computers - System A consists of a single ring with 100 stations, one per ...
- 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 ...
- Statistics - A certain type of artificial heart has four independent, critical ...
- sdu - . A man finds that two things cause him to wake up at night-noise or ...

More Related Questions