<prompt> What is the probability that confounding factor fall to the right of 95-1 in 51 in 101 in 201 in 40  <response>: Ref:Parks 23rd edition pg 849. 1SD : confidence limit 68 2SD : confidence limit 95 3SD : confidence limit 99.7 Here 5 values remains and falls to the right and left altogether . So, 2.5 lies to the right and 2.5 to the left . 2.5100 140 