Suppose x is a positive random variable with ex53 and

Assignment Help Basic Statistics

Suppose x is a positive random variable with E[X]=5.3 and standard deviation of x is 1.6 . find:

a) E[3-2x]

b) Var(x)

c) E[x^2]

d) e[(X-2)^2]

e) Var(-3x+4)

Show the estimated regression equation compute the : the following data show the results of an aptitude test y and the grade point average of 10 students. either enter the

A rigid high-pressure tank has a volume of 38ft3 and : a rigid high-pressure tank has a volume of 3.8ft3 and containss nitrogen at 185 psia and at 290 f. a small leak

A notebook computer wire carries 15 a how many electrons : 1 a notebook computer wire carries 1.5 a. how many electrons pass through the wire each second? 2 a 50-w and 100-w

A steam engine consists of a boiler connected to a turbine : a steam engine consists of a boiler connected to a turbine. the boiler tank has a volume of 100 l and initially

Suppose x is a positive random variable with ex53 and : suppose x is a positive random variable with ex5.3 and standard deviation of x is 1.6 . finda e3-2xb varxc ex2d ex-22e

A 150-v battery is connected to a capacitor resulting in : a 15.0-v battery is connected to a capacitor resulting in 55.0 microc of charge stored on the capacitor. how much

You arrive to a trolly stop just missing the last trolly : you arrive to a trolly stop just missing the last trolly. the time until the next rolly arrival is modeled as a u46

If a group of 40 males had a mean of 7 and a standard : supposed you used a 10-point rating scale to measure intention-to-buy 1 definitely would not buy and 10 definitely

Five kilograms of saturated water vapor is contained in a : five kilograms of saturated water vapor is contained in a closed rigid tank at an initial pressure of 4 mpa. the