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Posted: **Wed May 11, 2022 12:34 pm**

: 8 Find The Minimum Sample Size Needed When Estimating Population Mean With 99 Confidence Level Margin Of Error To Be 1 (60.73 KiB) Viewed 22 times

8. Find the minimum sample size needed when estimating population mean with 99% confidence level, margin of error to be within 5 and o = 15. 9. Find the critical value Za/2 for (a) 98% confidence interval. Draw and Label. (b) 88% confidence interval. Draw and Label.