Answer
a) No
b) Stratified
Work Step by Step
a) SRS is not being used because the problem is asking for exactly 500 males and females.
b) There are two strata being used: male and female. Therefore, this is a stratified sample.
Stats Modeling the World, 4th Edition
by Bock, David E.; Velleman, Paul F.; De Veaux, Richard D.
Published by
Pearson
ISBN 10:
0133151549
ISBN 13:
978-0-13315-154-1
Chapter 11 - Sample Surveys - Exercises - Page 300: 1
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