3. Find the following crisical values only. Use the exact valus off the table for your answor b. ,m2 for 80% eofidade alenal when n-20 Xrow only for a 99% eendence interal when n-17. c. g only for a c. d af only fra 90% confidence interval when n-89 ot On State Ho and for the following problem. The peroent of studests that fleish a test in half the ime allowed, is greater than 5%.
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