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According to the Alzheimer’s Association, Alzheimer’s disease affects 1 in 10 people over the age of...

According to the Alzheimer’s Association, Alzheimer’s disease affects 1 in 10 people over the age of 65. A study was conducted on health issues facing by people over the age of 65.

1.) What would be the shape What would be the mean and standard error of the sampling distribution of the proportion who suffer from Alzheimer’s disease if the sample size is 200 and if it were 800?

2.) If the sample size were 200 what is the probability that the sample proportion would be at least 12.5%? Does this outcome seem likely? Explain.

Math   Statistics-And-Probability   
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