Mathematics, 02.03.2020 19:27 beluvangel418

The length of a coil of copper wire is a random variable with mean 150 m and standard deviation 4 m. If we choose five coils of wire at random, what is the variance of the total length of the wire in the coils

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:00

What is the relationship between all triangles that can be drawn given the same three angles

Answers: 2

Answer

Mathematics, 21.06.2019 18:30

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Answers: 1

Answer

Mathematics, 21.06.2019 19:30

In the geometric progression –3, 12, −48… what term is 3,072?

Answers: 2

Answer

Mathematics, 21.06.2019 20:10

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Answers: 1

Answer

You know the right answer?

The length of a coil of copper wire is a random variable with mean 150 m and standard deviation 4 m....

Questions

Mathematics, 14.01.2020 19:31

How do you find the dot product a. b of two vectors if you know their lengths and the angle between them? what if you know their components?...

Mathematics, 14.01.2020 19:31

How is the present value of money flow found? the accumulated amount of money flow?...

Mathematics, 14.01.2020 19:31

The rate of change of revenue from the sale of x toaster ovens is r(x) = x(x-50)1/2...

Biology, 14.01.2020 19:31

What are various colors, patterns, and marks characteristic of a particular species?...

Social Studies, 14.01.2020 19:31

The type of learning in which an organism learns to associate one stimulus with another is called...

Arts, 14.01.2020 19:31

Refers to the moment when all the instruments are playing together in the big band swing style....

Mathematics, 14.01.2020 19:31

If the terminal side of angle θ, in standard position, passes through point (−4,3), what is the numerical value of all six trig functions?...

History, 14.01.2020 19:31

By 1900, one of the three american territories that had not been granted statehood was: a. kansas. b. nevada. c. colorado....

Social Studies, 14.01.2020 19:31

Alack of social relationships may affect physical health and life span as dramatically as smoking or a lack of physical activity....

Business, 14.01.2020 19:31

Cracking the sales management code: the secrets to measuring and managing sales performance is a book by and...

Business, 14.01.2020 19:31

Which of the following components in a formal report falls into the category of "front matter"? a. the memo of transmittal b. the...

Health, 14.01.2020 19:31

Which of the following conditions, with sudden onset, is not a signal that a stroke has occurred? a. headaches b. numbness c. diffi...

Health, 14.01.2020 19:31

Instant messaging someone who doesn't respond is still considered communication. a. true b. false...

Business, 14.01.2020 19:31

Savings: $2,500 discretionary spending: $450 per month compare the costs of buying and leasing a new vehicle. what are the adva...

Computers and Technology, 14.01.2020 19:31

Consider the following code: public class b1 { private int i; private int j; } public class b2 ext...

Computers and Technology, 14.01.2020 19:31

Consider the following instance variable and methods. you may assume that data has been initialized with length > 0. the methods are intended to r...

Business, 14.01.2020 19:31

Which of the following is likely to occur as a result of new legislation regarding automobile safety the department of transportation will be gi...

Health, 14.01.2020 19:31

Acompound in food that can be converted into an active vitamin inside the body is known as a(n): a. coenzyme. b. predecessor. c. an...

Chemistry, 14.01.2020 19:31

Compound a and compound b react according to the following chemical equation: in which of the following cases will compound a be the limiting reagent...

Mathematics, 14.01.2020 19:31

Fill in the blank. are sample values that lie very far away from the majority of the other sample values. centers distributions outliers frequencies...

More questions: Mathematics Another questions