Question: =+17. In stratified sampling, what value would you use in place of 1.96 if you wanted the confidence level to be 99% rather than 95%?

=+17. In stratified sampling, what value would you use in place of 1.96 if you wanted the confidence level to be 99% rather than 95%? What is the consequence of using the higher confidence level on the necessary sample size?

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