A pharmaceutical company is trying to determine if a new drug is more effective than the current standard drug. The company tracks random samples of patients on each drug and calculates the proportion that see an improvement in symptoms after six months. The results of the data collected are shown below. What are the population parameters? Pick New drug Old drug Successes 352 Successes 653 What is the level of significance? Ex: 0.12 Observations 500 Observations 1000 Proportion 0.704 Proportion 0.653 The null hypothesis is Ho : Pnew Pick Pold Confidence level 95% z-score 1.98 The alternative hypothesis is Ha : Pnew Pick v Pold p-value 0.0239 Should Ho be rejected or does Ho fail to be rejected? Pick V What conclusion can be drawn from the data? Pick v evidence exists to support the claim that more patients on the new drug see improvements in symptoms than patients on the current drug