What is probability that all four have alzheimers disease

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Medicine and Clinical Studies According to the Alzheimer's Association, approximately 13% of older Americans have Alzheimer's disease.34 This is the sixth leading cause of death in the United States, and there is no treatment to prevent, cure, or even slow the disease. Suppose four older Americans are selected at random.

a. What is the probability that all four have Alzheimer's disease?

b. What is the probability that exactly one has Alzheimer's disease?

c. What is the probability that at least two have Alzheimer's disease?

Reference no: EM131424390

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