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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.
P(D > 4) =

Sagot :

Answer:

.027

Step-by-step explanation:

Khan academy, You can use geometcdf (.7,3) = .973 then subtract that from 1 to get .027.

Answer: 0.03

Step-by-step explanation:

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