3. According to the American Diabetes Association (www.diabetes.org). 23.1% of Americans aged 50 years or older had diab
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years or older had diabetes in 2007. A recent random sample of 200 Americans aged 60 years or older
showed that 52 of them have diabetes
Using a 5% significance level, perform a test of hypothesis to
determine if tha
current percentage of Americans aced 60 ears or older who have diabetes is hichel
nan
that in 2007.
3. According to the American Diabetes Association (www.diabetes.org). 23.1% of Americans aged 50 years or older had diabetes in 2007. A recent random sample of 200 Americans aged 60 years or older showed that 52 of them have diabetes. Using a 5% significance level, perform a test of hypothesis to determine if the current percentage of Americans aged 50 years or older who have diabetes is higher than that in 2007.