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

How do I write 4.76325 as a fraction?

Stem-and-Leaf Plots question: How many swimmers were younger then 30 Stem -- Leaf 0 1-- 1 2-- 3,9 3 --

What chemical compound is C2HsOH?

2b^2+4b–2=0 what is the answer?

why do you use cubic units and not square units to find the volume of solid figures?

rachel has a collection of 40 stuffed animals . of the stuffed animals 3/8 are bears and 1/5 are dogs the rest are other animals . how many other animals does s

What is .368 written in expanded form?

A person walks 25 m west and then 45 m at the angle of 60 degrees north of east what is the magnitude of the total displacement?

Jane watched one television program for 1/4 of an hour and then changed channels to watch another program for 20 min. Write an equation to describe the fraction

why is water so important in metabolism