emilyrandersonx emilyrandersonx

02-03-2017
Mathematics

contestada

X is a random independent variable with mean 20 and standard deviation of 5. Also suppose that y is a random independent variable with mean of 40 and standard deviation 10. Find the variance and standard deviation of the random variable Z = 2 + 10x

Respuesta :

qnguyen191 qnguyen191

02-03-2017

The variable equals 4.

Answer Link

Otras preguntas

3 times the sum of a number and 4 is 20

Harper Lee was born in Maycomb, Alabama. True False

Is the scorpion vertebrate ?

Please help ME ASAP!!Please explain the answer

simplify√50-3√2(2√2-5) -5√32

If x , 2x and 50° are the interior angle of the triangle, find the unknown angle.

Plz helpWhich individual would most likely have agreed with the actions taken by President Roosevelt, as shown in the cartoon? O A. John D. Rockefeller O B. And

why styrene undergoes and ionic polymerization at a faster rate than p methoxystyrene

In the circle below, if arc AC = 66°, and arc BD = 146, find the measure of Select one: a. 146 b. 212 C. 66 d. 106

PLEASE PLEASE HELP I HAVE SCHOOL TMRW AND I HAVE TO FINISH THIS BY TONIGHT level two :brain teasers puzzle 15