Answers

2015-09-29T14:20:36+08:00
Sample Size Formula: Z² · P · (1-P)
                                       C²
Z = Z value
P = percentage, expressed in decimal
C = confidence interval, expressed as decimal
                                                                             -KookEin
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2015-09-29T15:28:25+08:00
The sample size formula

SS =  \frac{ Z^{2} * (p) * (1-p) }{ c^{2} } 



Wherein
Z : Value
p : percentage (decimal)
c : confidence interval (decimal)
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