______ level of confidence is standard in sample size determination.
A) 90% or 95%
B) 99% or 100%
C) 95% or 99%
D) 90% or 100%
Answer: C) 95% or 99%
______ level of confidence is standard in sample size determination.
A) 90% or 95%
B) 99% or 100%
C) 95% or 99%
D) 90% or 100%
Answer: C) 95% or 99%