Question 1193875
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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.



<pre>
(a)  p = {{{(4/5)*(3/5)}}} = {{{12/25}}}.      <U>ANSWER</U>



(b)  p = {{{(1/5)*(1/5)}}} = {{{1/25}}}.      <U>ANSWER</U>
</pre>

Solved.