Scores on an MBA placement exam are reported to have a normal
distribution with standard deviation...
80.2K
Verified Solution
Link Copied!
Question
Basic Math
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.
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!
