Find the value of tn1,/2 needed to construct a twosided confidence interval of the given level with the given sample size: a. Level 90%, sample size 12. b. Level 95%, sample size 7. c. Level 99%, sample size 2. d. Level 95%, sample size 29

Lecture 10: Testing about a Population Proportion The Basic Steps in Any Hypothesis Test: Step 1: Determine the null and alternative hypotheses. Step 2: Verify necessary data conditions, and if met, summarize the data into an appropriate test statistic. Step 3: Assuming the null hypothesis is true, find the p-‐value.