SOLUTION: suppose the supervisor in our previous example wished to have an ID card with two letters and two digits. how many different ID cards could be made?

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Question 1100891: suppose the supervisor in our previous example wished to have an ID card with two letters and two digits. how many different ID cards could be made?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
I don't know what the supervisor of the previous example was doing.

I even don't know what your previous example was about and even if it was sent to the forum.

It is really difficult to know, since we obtain more than hundred posts per day.


But I just saw something similar about a "supervisor" at this link
https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1100893.html

https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1100893.html

If it is the same "supervisor", then you just have my answer/responce.