Use the following sample data for the following questions. In an experiment
to study the effect of Donepezil on individuals at risk of developing Alzheimer's
disease, the following data was collected:
-If two different individuals are randomly selected, find the probability that they both took a placebo.

Question

Use the following sample data for the following  questions. In an experiment
to study the effect of Donepezil on individuals at risk of developing Alzheimer's
disease, the following data was collected: 
-If two different individuals are randomly selected, find the probability that they both took a placebo.

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The Answer of Use the following sample data for the following  questions. In an experiment
to study the effect of Donepezil on individuals at risk of developing Alzheimer's
disease, the following data was collected: 
-If two different individuals are randomly selected, find the probability that they both took a placebo.

Use the Following Sample Data for the Following Questions