Q#1 a) Use R to find two sided critical value Z α/2
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, when given confidence level is 95%. b) Use R to find right sided critical value t α
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. when given confidence level is 90% and sample size is 18. c) Use R to find right sided critical value Chi_Square α, when given significance level a=2% and sample size is 15 . d) Use R to find right sided p-value when given test value from Z-distribution is 2.45. e) Use R to find two sided p-value when given test value from Z-distribution is 1.92.