In the following sample size formula, which level of confidence is being used?
n= 2.28^2* (90x10)/5^2
A) 90%
B) 95%
C) 99%
D) 68%
E) none of the above
Answer: c
In the following sample size formula, which level of confidence is being used? n= 2.28^2* (90x10)/5^2
In the following sample size formula, which level of confidence is being used?
A) 90%
B) 95%
C) 99%
D) 68%
E) none of the above
Answer: c