Mathematics
Mathematics, 09.09.2020 20:01, reeseleprell7655

Outside a home there is a keypad that will open the garage if the correct four-digit code is entered. (a) How many codes are possible?
(b) What is the probability of entering the correct code on the first try, assuming that the owner doesn't remember the code?

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Outside a home there is a keypad that will open the garage if the correct four-digit code is entered...

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