Mean and the variance
The random variable X has mean 9 and standard deviation 8. What is the mean and the variance of 2X,respectively?
Explain and show your work.
Expected delivery within 24 Hours
Whicher Corporation had three products in its ending inventory at December 31, 2009. Whicher Corporation considers a profit margin of 15% of the sales price average for product 1 and a profit margin of 10%.
A certain capacitor stores 380 J of energy when it holds 7.2 10-2 C of charge. (a) What is the capacitance of this capacitor? µF (b) What is the potential difference across the plates?
Let U be a uniform (0, 1) random variable. Suppose that n trials are to be performed and that conditional on U = u these trials will be independent with a common success probability u. Compute the mean and variance of the number of successes that
The Varone Company makes a single product called a Hom. The company has the capacity to produce 40,000 Homs per year. Per unit costs to produce and sell one Hom at that activity level.
The random variable X has mean 9 and standard deviation 8. What is the mean and the variance of 2X,respectively? Explain and show your work.
The real risk-free rate is 3.25%. Inflation is expected to be 1.5% this year and 4.75% during the next 2 years. Assume that the maturity risk premium is zero.
Let 18 and 10 be the standard deviations of the independent random variables X and Y, respectively. What is the standard deviation of the random variable U = X - Y. Explain and show work?
Ignoring the small amount of heat gained by the thermometer, find the specific heat capacity of the unknown material. Can someone actually help walk me through this instead of giving an answer with no explanation?
The constraint at Dalbey Corporation is time on a particular machine. The company makes three products that use this machine. Data concerning those products.
1937346
Questions Asked
3,689
Active Tutors
1421864
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
You will write a comparison-contrast paragraph. You may choose any comparison-contrast approach related to persons, places, or things.
You are required to write a descriptive paragraph for this assignment. You may choose any person you have known personally or any place that was important
Begin by reading aloud/ listening to "I Hear America Singing" by Walt Whitman. Write your thought about the Whitman poem.
Choose your all-time favorite movie and write a short argument persuading the reader (your instructor) to watch the movie.
Why has the provider of choice shifted from rail to motor modes? With the shift to motor freight carriers, the amount of traffic accidents have sky rocketed;
Post a minimum of one tip, strategy, technique, and/or best practice you think your peers would benefit the most from knowing about
Transitioning from volume-based to value-based healthcare delivery impacts multiple aspects of an organization.