# Question: If 3 of the 1000 test subjects are randomly selected

If 3 of the 1000 test subjects are randomly selected, find the probability that they all had correct test results (either true positive or true negative). Is such an event unlikely?

a. Assume that the 3 selections are made with replacement.

b. Assume that the 3 selections are made without replacement.

a. Assume that the 3 selections are made with replacement.

b. Assume that the 3 selections are made without replacement.

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