Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Business Economics Expert

A random variable X is normally distributed with a mean of 100 and a variance of 500, and a random variable Y is normally distributed with a mean of 200 and a variance of 400. The random variables have a correlation coefficient equal to -0.5. Find the mean and variance of the random variable:

W = 5X - 4Y

Business Economics, Economics

  • Category:- Business Economics
  • Reference No.:- M91566092

Have any Question?


Related Questions in Business Economics

Off the production line there is a 46 chance that a candle

Off the production line, there is a 4.6% chance that a candle is defective. If the company selected 50 candles off the line, what is the standard deviation of the number of defective candles in the group?

A sample of 100 people is classified by gender malefemale

A sample of 100 people is classified by gender (male/female) and by whether they are registered voters. The sample consists of 80 females and 20 males, and has a total of 60 registered voters. If these data are used for ...

In what ways is local government administration different

In what ways is local government administration different from State and Federal government administration?

A random sample ofnbsp19nbspcollegenbspmens basketball

A random sample of 19 college? men's basketball games during the last season had an average attendance of 5,046 with a sample standard deviation of 1,753. a.  Construct a 99?% confidence interval to estimate the average ...

If material hardness is normally distributed with a mean of

If material hardness is normally distributed with a mean of 42 and a standard deviation of 1. Specification limits for hardness are from 35 to 45. When the fraction defective is 0.0017 what is the corresponding PPM?

What are some challenges in delivering health services in

What are some challenges in delivering health services in the peripheral areas?

Given that some normally distributed data has a mean of

Given that some normally distributed data has a mean of 942.5 and a standard deviation of 96. What is the value x of this data set where 85% of all other data values are greater?

What statistic was calculated to determine differences

What statistic was calculated to determine differences between the intervention and control groups for the lumbar and femur neck BMDs? Were the groups significantly different for BMDs?

Describe 2 variables a government will look at to predict

Describe 2 variables a government will look at to predict where the economy will be in the next six months.

Assume the following for the town of boone it has a total

Assume the following for the town of Boone: it has a total population of 40,000 people, of which 1,000 are under 16 years of age or are institutionalized; 8,000 are full-time students who are not employed and are not see ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As