Researchers in Health and Advertising Are Interested in Looking at How

Essay

Researchers in health and advertising are interested in looking at how alternative forms of alcohol advertising are related to actual alcohol use among youth.Imagine you have conducted a study looking at the relationship between owning an item that advertises alcohol (such as a hat,t-shirt or cup with an alcohol logo on it)and having tried alcohol among a group of 12-year-olds.You observe 500 cases total.Of those 500 cases,100 have tried alcohol.For the 100 cases who have tried alcohol,32 own an item that advertises alcohol.You wish to address the following research question: Is the observation that 32 out of 100 youths who have tried alcohol own an advertising item sufficient evidence to say that these two factors are related? What is the probability of obtaining a z score of 2.80?