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1. Suppose an XYZ Drug Company develops a new vaccine, designed to prevent COVID-19. The company states that the drug is equally effective for men
1. Suppose an XYZ Drug Company develops a new vaccine, designed to prevent COVID-19. The company states that the drug is equally effective for men and women. To test this claim, they choose a simple random sample of 150 women and 200 men from 1000 volunteers. At the end of the study, 28% of the women caught a cold; and 45% of the men caught a cold. Based on these findings, can we reject the company's claim that the drug is equally effective for men and women? Use a 0.05 level of significance. Instructions: 1. use the 4 step (Create hypothesis, check conditions, find the p-value, make conclusions) process for hypothesis testing. 2. Include all the necessary steps (if you are using calculator, explain and show how you arrive the answer)
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