You draw a sample of 144 from the population of families in a town and find out that, 70% own a home. (a) What is the 95% confidence interval for the proportion of homeowners in this town? (b) Assume a = significance level = 0.05. your null hypothesis is that 60% of families own a home. Your alternative hypothesis is that more than 60% of families own a home Find the test statistic. (c) Do you reject your null hypothesis? (d) Interpret your results in part (c)