For numbers 6 to 10: The daily wage of a particular industry is normally distributed with a mean of 150 pesos. In a random sample of 144 workers of a very large company in this industry, the mean daily wage was found to be 148 pesos with a standard deviation of 10 pesos. Can this company be accused of paying inferior wages (less than the usual) at a=5%? 8. Which of the following sets of. hypotheses should be used in this study? ΟΑ Ho: μ- 150 vs. Ha: μ > 150 O B. Ho: u = 150 vs. Ha: µ < 150 Ο C Ho: μ- 148 vs. Ha: μ > 148 Ο D.Ho: μ- 148 νs. Ha: μ< 148

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