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After taking a trip to location A, you suspect that there is higher obesity rate in...

After taking a trip to location A, you suspect that there is higher obesity rate in location A compared to location B. When you get home, you check the CDC datas website and find the following information. let pm and pl denote the true population obesity rates in location A and B.

Location n p
A 4720 0.368
B 4804 0.269

a) are the samples sufficiently large? Explain why or why not.

b) construct a 95% confidence interval for pm-pl. Explain your reasoning

c) Do you believe there is a significant difference between the obesity rates in location A? B? Why? Explain.

Math   Statistics-And-Probability   
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