SOLUTION: On each day of a certain week, one of five people is selected at random. What is the probability that on the first three days of the week a- different people are chosen? b-

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Question 1193875: On each day of a certain week, one of five people is selected at random.
What is the probability that on the first three days of the week
a- different people are chosen?
b- the same person is chosen each day?



Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
.
On each day of a certain week, one of five people is selected at random.
What is the probability that on the first three days of the week
a- different people are chosen?
b- the same person is chosen each day?
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From the context, repeating is allowed.


(a)  p = %284%2F5%29%2A%283%2F5%29 = 12%2F25.      ANSWER



(b)  p = %281%2F5%29%2A%281%2F5%29 = 1%2F25.      ANSWER

Solved.