AK/AS/MATH 1131 3.0
This is NOT Assignment 3 as I cannot assign it until the strike is over. These are
questions that Assignment 3 will be covering. It is basically Ch 6 to 9 material.
We are already in Ch 8.
So, you should be able to do some of the questions.
If you cannot do it yet, don’t worry because we will be covering them once the
strike is over. This will just keep you busy for a bit and continuously thinking
about statistics even during your “nonscheduled” holiday! :)
Question 1:
A study is being planned to estimate the mean number of inches that trees
will grow per year in a forest. The analysts wish to have 90% confidence and want to estimate
the mean within
±
0
.
20 inch. Assumed the population standard deviation is 0.8 inch. What
size sample is needed for this study?
Question 2:
A Honda dealership recently stated in an advertisement that Honda owners
average more than 85000 miles before trading in or selling their Hondas. To test this, an
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview.
Sign up
to
access the rest of the document.
 Fall '10
 Wong
 Math, Statistics, Normal Distribution, Standard Deviation, Wyoming

Click to edit the document details