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Sagot :
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.
What is a probability?
A probability is given by the number of desired outcomes divided by the number of total outcomes.
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 https://brainly.com/question/14398287
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