Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. suppose x has a normal distribution with mean ? =

Suppose x has a normal distribution with mean ? = 28 and standard deviation ? =...

90.2K

Verified Solution

Question

Basic Math

Suppose x has a normal distribution with mean? = 28 and standard deviation ? = 4.

a) Describe the distribution of x values for sample sizen = 4. (Round ?x to twodecimal places.)

?x=
?x=


b) Describe the distribution of x values for sample sizen = 16. (Round ?x to twodecimal places.)

?x=
?x=


c) Describe the distribution of x values for sample sizen = 100. (Round ?x to twodecimal places.)

?x=
?x=


d) How do the x distributions compare for the varioussamples sizes?

I. The means are the same, but the standard deviations aredecreasing with increasing sample size.

II. The standard deviations are the same, but the means aredecreasing with increasing sample size.    

III. The means and standard deviations are the same regardlessof sample size.

VI. The means are the same, but the standard deviations areincreasing with increasing sample size.

V. The standard deviations are the same, but the means areincreasing with increasing sample size.

Answer & Explanation Solved by verified expert
3.9 Ratings (521 Votes)
SolutionGiven thatmean 28standard deviation 4a n 4 2800    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

Q

A simple random sample of 12 e-readers of a certain type had the following minutes of...

Statistics
Q

Program Design As you design your training program, you must consider three stages: pre-training, learning event, and...

Psychology
Q

A horizontal spring attached to a wall has a force constant of k = 770 N/m....

Physics
Q

Suppose that you have 760 feet of rope and want to use it to make...

Geometry
Q

In an effort to cut costs and improve profits any US companies have been turning...

Statistics
Q

Long term securities generally have higher interest rates than short term securities. According to a...

Accounting
Q

Grouper Corp. purchased $279,000 of five-year, 4% Hydrocor bonds at 99 on June 30,2024. Grouper...

Accounting
Q

HIA 2. MBA 582 Hand-in-assignment 2 - Summer 2018 Answer...

Accounting
Q

Required information P8-2 (Algo) Analyzing the Effects of Repairs, an Addition, and Depreciation L08-2, 8-3...

Accounting
Q

Which of the following poses an internal control problem? a. Purchasing clerks create new suppliers...

Accounting
Q

Which of the following statements is true concerning an auditors responsibilities regarding financial statements?

Accounting
Q

A company reports the following: Sales $1,154,130 Average accounts receivable (net) 67,890 Determine (a) the...

Accounting