Lifetimes of electronic components can often be modeled by an exponential model. Suppose quality control engineers want

Question:

Lifetimes of electronic components can often be modeled by an exponential model. Suppose quality control engineers want to model the lifetime of a hard drive to have a mean lifetime of 3 years.

a) What value of l should they use?

b) With this model, what would the probability be that a hard drive lasts 5 years or less?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For answer-question

Business Statistics

ISBN: 9780134705217

4th Edition

Authors: Norean Sharpe, Richard Veaux, Paul Velleman

See More Books

Question Posted: Feb 27, 2020 11:41 AM

See More Questions

The time to failure (in hours) for a laser in a cytometry machine is modeled by an exponential distribution with = 0.00004. (a) What is the probability that the laser will last at least 20,000 hours?...
An article in Industrial Engineering (August 1990) discussed the importance of modeling machine downtime correctly in simulation studies. As an illustration, the researcher considered a...
The lengths of telephone calls can be modeled by an exponential distribution with parameter = 0.3 per minute, with the call lengths being independent. What is the probability that out of 10...
Create a weighted scoring model to determine grades for a course. Final grades are based on three exams worth 20%, 15%, and 25%, respectively; homework is worth 15%; and a group project is worth 25%....
If the radius of a planet is larger than that of Earth by a factor of 8.7, how much bigger is the surface area of the planet than Earths?
Let $Y$ have the density $N(5,36), X$ have the density $N(4,25)$, let $Y$ and $X$ be independent random variables, and define $W=X-Y$. (a) Calculate $P(y>10)$. (b) Calculate \(P(-10...
Pick a product like Cadillac or Sara Lee Deli products or service like Mr. Clean Performance Car Wash or a car and home insurance company that is offered in a limited number of countries. Assess the...
Alou Equipment Repair has a September 30 year end. The company adjusts and closes its accounts on an annual basis. On August 31, 2017, the account balances of Alou Equipment Repair were as follows:...
Discuss similarities and differences of A. MongoDB, B. Amazon (AWS) database management system to relational database management systems. Indicate the benefits or disadvantages you associate with the...
1. Explain how you can determine how well the model fits the data (i.e., explain the meaning of Coefficient of Determination in this Table) 2. Explain how you can test the validity of the model...
Jeff, a sales manager of a car dealership, believes that his sales force sells a car to 35% of the customers who stop by the showroom. He needs the dealership to make 50 sales this month to get a...
In the first quarter of 2017, a group of domestic equity mutual funds had a mean return of 6.2% with a standard deviation of 1.8%. If a Normal model can be used to model them, what percent of the...
Suppose the real rate is 3.5 percent and the inflation rate is 3 percent. What rate would you expect to see on a Treasury bill?
Consider an isocost curve with labor on the horizontal axis and energy on the vertical axis. Assume that wages increase. Which of the following statements are true? The Isocost curve becomes steeper...
Now let's modify the timing structure of the game. Suppose that Coke's entry decision is made at the same time that Pepsi decides between tough and accommodate. Then if Coke chooses to enter, it has...
(b) You are considering an investment product that is expected to generate an annual cash flow of $2,000 in perpetuity, starting three years from today. The cost of the investment is $10,000 today,...
Correct or Incorrect Statement? 1) The second law of thermodynamic is based on the thermal equilibrium principle. 2) The heat added at constant pressure is greater than that at constant volume. 3)...
Carpenter ants are large, usually black ants that make their colonies in wood. Although often considered to be pests around the home, carpenter ants play a significant role in a forested ecosystem...
Why might a corporation issue a stock dividend to its shareholders?
To help you become familiar with the accounting standards, this case is designed to take you to the FASBs Web site and have you access various publications. Access the FASBs Web site at...
The 1057 houses described in Exercise 46 have a mean price of $167,900, with a standard deviation of $77,158. The mean living area is 1819 sq. ft., with a standard deviation of 663 sq. ft. Which is...
The data set provided contains the aver-age tuition of private four-year colleges and universities as well as the average 20072008 tuitions for each state. The mean tuition charged by a public...
FAOSTAT, the Food and Agriculture Organization of the United Nations, collects in-formation on the production and consumption of more than 200 food and agricultural products for 200 countries around...
1. A clothes dryer rates at 4000 W runs for 1.50 hours each day. it uses utility power at 240 V. how much current does the dryer use? 2. For the clothes dryer in the previous question, how much does...
A particle undergoing simple harmonic motion has a potential energy given by E/J=3(y/m) as it oscillates back and forth along the y-axis. When the y-coordinate of the particle is 0.75 m, what is the...
A 480-g iron pan is heated on a stove to a temperature of 130 C. The pan is then dropped into a partially-filled sink of water at 20 C. The final temperature reached by the sink and the pan is 40 C....

Lifetimes of electronic components can often be modeled by an exponential model. Suppose quality control engineers want

Question:

Step by Step Answer:

a 13 ...View the full answer

Business Statistics

Students also viewed these Mathematics questions