Find the t-critical value for given confidence level and the sample size. n = 10, 90% с. п%3D 28, 99% а. b. п%3D 25, 98% d. n= 15, 95%

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7. Find the t-critical value for the given confidence level and the sample size.
   
   a. \( n = 10 \), 90%
   
   b. \( n = 25 \), 98%
   
   c. \( n = 28 \), 99%
   
   d. \( n = 15 \), 95%
Transcribed Image Text:7. Find the t-critical value for the given confidence level and the sample size. a. \( n = 10 \), 90% b. \( n = 25 \), 98% c. \( n = 28 \), 99% d. \( n = 15 \), 95%
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