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Mariulka [41]
2 years ago
14

Brian usually brushes his teeth in the morning, but 10% of the time he forgets. What is the probability that he will forget to b

rush his teeth three days in a row (Assume that forgetting one day does not influence any other day.)
Mathematics
1 answer:
Katena32 [7]2 years ago
5 0

Using it's concept, it is found that there is a 0.001 = 0.1% probability that he will forget to brush his teeth three days in a row.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem, for each day, there is a 0.1 probability that he forgers to brush his teeth, and days are independent, hence for 3 consecutive days the probability is given by:

p = (0.1)³ = 0.001.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

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