Osama Bin Laden was the man inchrage of Al-Qaeda
I think the answer might be the second one but t let me know if I am wrong
Answer:
The Pecos Classification was the first scientific attempt to understand how the Anasazi cultures changed over time.
Explanation:
The correct answer is a representative portion of a universe in which each member of the universe has an equal chance of being included
A random sample is a subset of individuals (the sample) randomly selected from a larger set (the population) by a process that ensures that: All individuals in the population are equally likely to be chosen for the sample.
