The table accompanying this example shows the result of a survey of alcohol and tobacco consumption by secondary school students from Daytona, Ohio.

a) State the conditional distributions of tobacco consumption, otherwise on the one hand those who consume alcohol and on the other hand them who do not consume alcohol. Compare and interpret.

Now it is given that chi-square test statistic for the null hypothesis that the two variables in the relation table are independent, if 2=451,404

b) Test the hypothesis about the consumption of alcohol and tobacco in a population of high school students from Daytona are independent sizes. Calculate a p-value based on the test size and report the result of the hypothesis test in the context of the subject.