Probability, Basic Statistics

1) A certain brand of batteries has a lifetime that has a normal distribution with a mean of 3,800 hours and a standard deviation of 390 hours.

b) What lifetime should the manufacturer advertise for these batteries in order that only 2% of the lamps will wear out before the advertised lifetime?
Posted Date: 3/15/2013 11:02:06 PM | Location : United States







Related Discussions:- Probability, Assignment Help, Ask Question on Probability, Get Answer, Expert's Help, Probability Discussions

Write discussion on Probability
Your posts are moderated
Related Questions
Define Average Speed in Various Cases (a) Particles covering different distances in different times say a particle covers s1 distance in time t1 ,s2 in time t2, s3 in time t3 and

In a suburban community, 30% of the households use Brand A toothpaste, 27% use Brand B, 25% use Brand C, and 18% use Brand D. In the four groups of households, the proportions of r

A certain manufactured item is visually inspected by two different inspectors. When a defective item comes through the line, the probability that it gets by the first inspector is

jay can remember only the first 4 digits of his friends phone number. he also knows that the number has 7 digits and the last digit is not a zero. if jay were to dial all of the po

Mention the characteristics of Statistics. Explain any two applications of Statistics

A methodical selection of the adequate, qualified evidential issue needed to verify the equity of management''s claims in the fiscal reports or to assess whether management has wis

What are the components of time series? Bring out the significance of moving average in analysing a time series and point out its limitations

What is a purchase allowance? A buy permitting is a reduction in the customer's cost of products that it had purchased. The buy permitting is granted by the provider because of

You should show your work to earn partial credit.  You must show ALL of your work on the pages provided.  There should be plenty of room to show your work on the page with each pro

The National Quality Research Center at the University of Michigan provides a quarterly measure of consumer opinions about products and services (The Wall Street Journal, February