4. Smartest people often dumbest about sunburns\" is the headline of an article

Question

4. Smartest people often dumbest about sunburns" is the headline of an article that ap- peared in the San Luis Obispo Tribune (July 19, 2006). The article states that "those with a college degree reported a higher incidence of sunburn than those without a high school degree-43% versus 25%". Suppose that these percentages were based on in- dependent random samples of size 200 from each of the two groups of interest (college graduates and those without a high school) (a) (2 points) Are the sample sizes large enough to presume normality in the statistic

Explanation / Answer

yes the sample size is large enough to pressume normality of p1-p2

becouse sample size n=200 is much larger use normal distribution for further inference.

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