Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. in a state, 50,000 students graduated from four-ye

In a state, 50,000 students graduated from four-year not for profit colleges in 2019. Out of...

50.1K

Verified Solution

Question

Statistics

In a state, 50,000 students graduated from four-year not forprofit colleges in 2019. Out of these 50,000 graduates, 20,000students graduated from private colleges, and 30,000 studentsgraduated from public colleges. You have selected a stratifiedsample from the population of 2019 graduates in this state withgraduates from private and public colleges as the two strata. Foreach graduate in your sample, you recorded how much student debt,if any, the graduate carried at graduation. The results are asfollows: (1) Private college graduates: n1 = 400, X-bar-1 = 33,000,s1 = 15,000 (2) Public college graduates: n2 = 100, X-bar-2 =26,400, s2 = 6000 2(a) At a 99% level of confidence, test the nullhypothesis that the total debt of the 20,000 private collegegraduates, combined, did not exceed $600,000,000. 2(b) At a 99%level of confidence, test the null hypothesis that the average debtof a private college graduate did not exceed the average debt of apublic college graduate by more than $5000.

Answer & Explanation Solved by verified expert
3.8 Ratings (469 Votes)
    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

How would an error in the application of a "treatment" impact the results of a study....provide...

Chemistry
1.2K views

Calculate the pH of the solution after the addition of the following amounts of 0.0615 M...

Medical Sciences
1.2K views

You have a patient with an aggressive tumor that needs treatment right away, but to determine...

Biology
1.2K views

What kinds of materials obtained from a crime scene might contain DNA? (2 pts) Consider the following...

Mechanical Engineering
1.2K views

1. screw pump test rig in detail 2. general use screw pump 3. identify its accuracy, precision...

General Management
1.2K views

Change is inevitable! Our world is constantly changing, and we MUST change as well. We must...

Biology
1.2K views

Which of the following terms is used for the presence of undesirable substances or microbes?...

Statistics
1.2K views

In the 6 51 lottery game a player picks six numbers from 1 to 51...

Accounting
1.2K views

Ho0 Ya Corporation issued a one-year, 4%, $180,000 note on August 31, 2016. or the...

Accounting
1.2K views

In some instances, an infeasible solution may be the optimum found by the corner point...

Finance
1.2K views

You were hired as a consultant to Giambono Company, whose target capital structure is 40%...

Finance
1.2K views

Suppose Contrail Air, Inc. is going to repurchase $22,800 shares of stock. The market value...