What is ten + ten • 2
2 answers:
You might be interested in
Answer:
A. The sample size must be at least 30 (some texts say 50).
Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random variable X, with mean and standard deviation
, a large sample size, of at least 30, can be approximated to a normal distribution with mean
and standard deviation
.
So the correct answer is:
A. The sample size must be at least 30 (some texts say 50).