Posted by Jen on Tuesday, October 11, 2011 at 9:45pm.
Identify the sampling technique used to obtain this sample:
Each person boarding a plane is asked to flip a coin; those showing “tails” have their luggage searched.

Can someone help me please? MATH  Ms. Sue, Tuesday, October 11, 2011 at 11:09pm
Isn't that a simple random sampling?
http://en.wikipedia.org/wiki/Sampling_(statistics)#Simple_random_sampling 
Can someone help me please? MATH  Jen, Wednesday, October 12, 2011 at 2:34pm
hmmmmm i guess it is....thank u :)