Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. scores on an mba placement exam are reported to ha

Scores on an MBA placement exam are reported to have a normal distribution with standard deviation...

80.2K

Verified Solution

Question

Basic Math

  1. Scores on an MBA placement exam are reported to have a normaldistribution with standard deviation 18. The exam officials statedthat the average score for all students was 70. You take a randomsample of 50 students and find their average score is 67. Use yourdata to estimate the mean score for all students taking the MBAplacement exam -Verify your answer using calculations and show yourwork.
  1. Students at the union want to estimate the average number ofounces of coffee in a cup. They take a random sample of 40 cups andfind the mean is 5.2 ounces. Assume amount dispensed has a normaldistribution and that the standard deviation is set at 0.24 ouncesper cup. Find your best estimate for the average amount of coffeebeing dispensed by this machine. Verify your answer usingcalculations and show your work.

Answer & Explanation Solved by verified expert
4.0 Ratings (400 Votes)
Answer 1Thus at 005 significance level there is not    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

General Management
1.2K views

The director has received your Memo and is interested in your choice of a health policy...

Biology
1.2K views

A single celled prokaryote that lives in extremely hot the springs in Yellowstone National Park...

Biology
1.2K views

This matching question is all related to review material this process leads to an increase...

Calculus
1.2K views

List the points in the graph in the interval 1 x 6 at which the...

Algebra
1.2K views

The population of a county is growing at a rate of 9 per year compounded...

Algebra
1.2K views

Convert the given unit of weight to the unit indicated 16 g to cg 16...

Accounting
1.2K views

Question 12 of 29 -/1 View Policies Current Attempt...

Accounting
1.2K views

How would I make these entries? If anyone could help that would be great! ...

Finance
1.2K views

using excels IRR function, please help with this question and show excel formulas.thanks! ...

Accounting
1.2K views

On January 1, 2017, ShipEx Transportation Company purchased a used aircraft at a cost of...

Finance
1.2K views

pricing mangement about differ chat norway, company what is the optimal way to charge...

Accounting
1.2K views

N \& M Company is into furniture business specialized in dining sets. Last year, sales...