2. Given: Ho: The proportion of employees in a shoe factory who smoke cigarette is 30% (Ho: p=.30) Ha: The proportion of employees in a shoe factory who smoke cigarette has increased to 30%. (Ho p > 30) a = 0.01 Computed z-statistic: zcom = 2.56 and Critical z- value: z tab = 1.282 in the rejection region, DECISION: Since the computed test statistic zcom = 2.56 the null hypothesis (Ho). CONCLUSION: Therefore, we conclude that at 0.01 level of significance, evidence to conclude that​