According to the Alzheimer s Association1 as of 2011 Alzheimer s disease
According to the Alzheimer’s Association1, as of 2011 Alzheimer’s disease affects 1 in 8 Americans over the age of 65. A study is planned of health problems faced by the elderly. For a random sample of Americans over the age of 65, report the shape, mean, and standard deviation of the sampling distribution of the proportion who suffer from Alzheimer’s disease, if the sample size is
(a) 200
(b) 800.
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