Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. a random variable is normally distributed. it has

A random variable is normally distributed. It has a mean of 245 and a standard deviation...

90.2K

Verified Solution

Question

Basic Math

A random variable is normally distributed. It has a mean of 245and a standard deviation of 21. I just need G.

a.)If you take a sample of size 10, can you say what the shapeof the distribution for the sample mean is? Why?

b.) For a sample of size 10, state the mean of the sample meanand the standard deviation of the sample mean.

c.) For a sample of size 10, find the probability that thesample mean is more than 241.

d.) If you take a sample of size 35, can you say what the shapeof the distribution of the sample mean is? Why?

e.) For a sample of size 35, state the mean of the sample meanand the standard deviation of the sample mean.

f.) For a sample of size 35, find the probability that thesample mean is more than 241.

g.) Compare your answers in part c and f. Why is one smallerthan the other?

Answer & Explanation Solved by verified expert
4.4 Ratings (665 Votes)
qa as population distribution is normal thereforeshape of the    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Basic Math
1.2K views

Use De Morgan s Laws to find the negation of the given statement Yoshiko knows...

Psychology
1.2K views

Do some research online to explore whether all children provided an equal education? Explain your findings,...

General Management
1.2K views

Consider the project described in the below Excel a. Construct an Activity-on-Node network for the project. b. Determine...

Biology
1.2K views

Three of the ten finalists in this year s essay contest came from Fayetteville State...

Biology
1.2K views

The table compares ribosomal RNA rRNA sequences of two organisms from each of the thre...

Physics
1.2K views

5 A parallel beam of light 2 5890 A is incident on thin glass plate...

Basic Math
1.2K views

From a point on the ground a person notices that a 129 foot antenna on...

Algebra
1.2K views

Use long division to divide Simplify your answer completely 7 x 1 x 1

Accounting
1.2K views

Exercise 4-26 Determine the taxable amount of Social Security benefits for the following situations. If...

Accounting
1.2K views

For a company with a defined pension plan, the fair value of plan assets at...

Finance
1.2K views

Silver Enterprises has acquired All Gold Mining in a merger transaction. The following balance sheets...

Accounting
1.2K views

3 10 points C&Q Marketing (COM) recently hired a new marketing director, Jeff Otos, for...