Question
Dear Tutor, Thank you for all your assistance, please refer to my below 2 questions, I have download the document from course hero it mentions
Dear Tutor, Thank you for all your assistance, please refer to my below 2 questions,
I have download the document from course hero it mentions the answer, not the formula it was calculated.
However, I have did some digging and found the formula to calculate but the answer not make sense to me.
Please kindly refer to the below question, WHY N= 25? it does not mention anywhere in the subject how did get this figure?
Then if I follow the same method to call calculate the answer don't exist?
Q1 . 0.04 = 1/25 = why?
25^25 = 625 closes is 600. fine
Q2. if 0.02 = 1/50 right?
so 50 x 50 = 2500 don't exsist.
And from the downloaded document, I found the answer was C?
Please kindly assist me thank you.
1.How many randomly selected employers (minimum number) must we contact in order to guarantee a margin of error of no more than 4% (at 95% confidence)?
A.6000.04 = 1/25
B.400= 25^25
C.550= 625
D.1000
2.Suppose we want the above margin of error to be based on a 98% confidence level. What sample size (minimum) must we now use?
A.1000
B.757
C.848
D.543
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