Question: 9.52 The formula described in this section for deter-mining sample size corresponds to a confidence level of 95%. What would be the appropriate formula for

9.52 The formula described in this section for deter-mining sample size corresponds to a confidence level of 95%. What would be the appropriate formula for deter-mining sample size when the desired confidence level is 90%? 98%?

equation is

n= (1.96/B)^2

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