Given the information that 40% of people brush their teeth at least once a day, and among these individuals, 5% have a tooth decay each year, while those who don't brush their teeth once a day have a 10% chance of having a tooth decay each year. If a person is found to have a tooth decay in a year, what is the probability that they don't brush their teeth once a day

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Given the information that 40% of people brush their teeth at least once a day, and among these individuals, 5% have a tooth decay each year, while those who don't brush their teeth once a day have a 10% chance of having a tooth decay each year. If a person is found to have a tooth decay in a year, what is the probability that they don't brush their teeth once a day

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