Question: **for problems 5 & 6, find the ze or to value as appropriate What is z./t. for a 75% confidence level when the sample size

 **for problems 5 & 6, find the ze or to value

**for problems 5 & 6, find the ze or to value as appropriate What is z./t. for a 75% confidence level when the sample size is 27 and o is not known

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