1. Your claim results in the following alternative hypothesis: H1: p> 53% which you test at a significance level of =0.01 Find the critical value, rounded to four decimal places. z=

2. You are performing a two-tailed test with a sample size of 41. If =0.001, find the positive critical value, to four decimal places. t/2=

3. Your claim results in the following alternative hypothesis: H1: > 148 which you test at a significance level of =0.001 and a sample size of 63. You do NOT know the population standard deviation, . Find the critical value, rounded to four decimal places. t=