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.
1948258
Questions Asked
3,689
Active Tutors
1452126
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What is correlation? How does it differ from causation? What is the difference between the various correlation coefficients?
Create a short and nice response to this classmate's discussion post- Psychology uses different research methods to better understand human behavior.
Problem: How to reply to Disruptive mood dysregulation disorder is a chronic mood disorder that is seen in everyday activities.
Problem: Experts argue that you can influence? people's behavior through a social media strategy that combines which? factors?
More recent hardships may offset the effect of early childhood hardships; however, hardships experienced at age 9 are associated with mental health
There are two general classes of scientific laws. One class is correlational laws, which describe how classes of events vary together in some systematic way.
Explain which statistical methods are most appropriate for analyzing the data of African American women 17-25 in Tennessee affected by opiod crisis