Mathematics, 15.12.2020 20:40 nikkierubio2007
Anand knows from experience that if he does not review a new vocabulary word that he has learned, that he has a 70% chance of forgetting it each day. Let D be the number of days Anand goes without reviewing a word until he forgets it. Find the probability that it takes Anand 4 or more days to forget the word. You may round your answer to the nearest hundredth.
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