Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jun 26, 2024

Suppose X is a random variables with E(X) = 7 and Variance Var(X)=4. Let U - 7 X -7 Find the standard deviation of U.

Suppose X is a random variables with E(X) = 7 and Variance Var(X)=4. Let U - 7 X -7 Find the standard deviation of U. Number

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Personal Tutor For Serways Essentials Of College Physics,

Authors: Raymond A Serway, Chris Vuille

1st Edition

0495171646, 9780495171645

More Books

Students also viewed these Mathematics questions

Question

★★★★★

Explain the basic idea behind the TARP legislation. Was that idea carried out in practice?

Answered: 1 week ago

Question

★★★★★

Which of the following would not affect the annual cash budget, assuming there will be disbursements for income tax? A. Changing the depreciation method from straight line to sum-of-the-years digits...

Answered: 1 week ago

Question

★★★★★

Describe Dorothea Dixs views on the causes of mental illness. Describe her views on the treatment of people with psychological disorders.

Answered: 1 week ago

Question

★★★★★

The specific internal energy of formaldehyde (HCHO) vapor at 1 atm and moderate temperatures is given by the formula U(J/mol) = 25.96T + O.02134T 2 where T is in C. (a) Calculate the specific...

Answered: 1 week ago

Question

★★★★★

Nichols Electric expects to replace a $500,000 piece of equipment in 4 years. It plans to accumulate the necessary funds by making equal monthly deposits into a bank fund that earns 3/4 % per month....

Answered: 1 week ago

Question

★★★★★

Haval's new Funky Cat or Ora, is on its way to South Africa, promising to be Mzanzis cheapest new electric vehicle yed News24 Motoring contributor Mamus Hattingh sampled the fun city slicker in...

Answered: 1 week ago

Question

★★★★★

What process improvements can HeroEnergy adopt to improve standardised data, financial reporting and employee engagement? A newly established government agency focusing on renewable energy has just...

Answered: 1 week ago

Question

★★★★★

The Temper-Tone Steel Company produces two major products, a stainless steel sheet called Flextin and stainless steel silverware. Both products go through the same initial production process where...

Answered: 1 week ago

Question

★★★★★

Vaughn Co. purchased 61,7% Ivanhoe Company bonds for $61000 cash. Interest is payable annually on January 1. If 28 of the securities are sold on January 1 for $32700, the entry would include a credit...

Answered: 1 week ago

Question

★★★★★

You are the CEO of Apple, whose iPhones are all assembled in China. President Trump publicly and privately asked you to move some of the production back to the United States. President Biden pushed...

Answered: 1 week ago

Question

★★★★★

Does the Tucson data-mining project inappropriately violate users' privacy, or is it an acceptable tradeoff to more intelligently combat terrorism? Explain your answer. 2.Were the local police...

Answered: 1 week ago

Question

★★★★★

You are a senior accountant in a tier 2 accounting firm based in Australia. One of the firm s clients, Avocado Ltd , has prepared a draft set of financial statements for the year ended 3 1 December 2...

Answered: 1 week ago

Question

★★★★★

8. How can an interpreter influence the message?

Answered: 1 week ago

Question

★★★★★

The geographical location of the sender, i.e. where the sender resides

Answered: 1 week ago

Question

★★★★★

Subjective norms, i.e. the norms of the target group

Answered: 1 week ago

Previous Question Next Question