question archive For testing Hg: :1 = 14, H1: :1 at 14, an at = (1115 level t—test is being considered
Subject:StatisticsPrice: Bought3
For testing Hg: :1 = 14, H1: :1 at 14, an at = (1115 level t—test is being considered. What sample size is necessary in order for the probability to be ill of falsely failing to reject H" 1ulllhen the true population mean differs from 14 by 0.5? From a preliminary sample we estimate o to be 1.25.