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Exam 3 for Introductory Statistics Prof. Bernardo brego Math 140, Spring 2006
 

Summary: Exam 3 for Introductory Statistics
Prof. Bernardo Ábrego Math 140, Spring 2006
Name. 05/04/06
Problem Out of Points
1 16
2 18
3 22
4 22
5 22
Total 100
Directions.
· You have 1 hour and 50 minutes to complete the test.
· You can use a 3"×5" card with notes, your calculator, and the z-tables provided on the back of this
test. No other materials are allowed.
· No scratch paper is permitted. For this purpose or in case you need more space you can use the back
of the pages of the test.
1. A recent study of 100 people in Miami found 27 were obese. Find the 99% confidence interval of the
population proportion of individuals living in Miami who are obese.
1
2. A university dean of students wishes to estimate with 95% confidence the average number of hours

  

Source: Abrego, Bernardo - Department of Mathematics, California State University, Northridge

 

Collections: Mathematics