The random variable x has mean 9 and standard deviation 8

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 constraint at dalbey corporation is time on a : the constraint at dalbey corporation is time on a particular machine. the company makes three products that use this

Ignoring the small amount of heat gained by the thermometer : 15-kg of aluminum contains .2 kg of water. initially the water and the cup have a common temperature of 18 degrees c.

Let 18 and 10 be the standard deviations of the independent : let 18 and 10 be the standard deviations of the independent random variables x and y respectively.what is the standard

The real risk-free rate is 325 inflation is expected to be : 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

The random variable x has mean 9 and standard deviation 8 : the random variable x has mean 9 and standard deviation 8. what is the mean and the variance of 2xrespectively?explain

The varone company makes a single product called a hom the : the varone company makes a single product called a hom. the company has the capacity to produce 40000 homs per year.

Let u be a uniform 0 1 random variable suppose that n : let u be a uniform 0 1 random variable. suppose that n trials are to be performed and that conditional on u u these

A certain capacitor stores 380 j of energy when it holds : a certain capacitor stores 380 j of energy when it holds 7.2 x 10-2 c of charge. a what is the capacitance of this

Whicher corporation had three products in its ending : whicher corporation had three products in its ending inventory at december 31 2009. whicher corporation considers a