A group of students were surveyed as to whether or not they had to complete...
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A group of students were surveyed as to whether or not they had to complete chores at home at least once a week and whether they had a curfew Chores No Chores Total Fraction a What is the probability a student has a curfew if they have chores Fraction Curfew 13 12 25 Decimal rounded to 4 places b What is the probability a student has no curfew or has no chores Fraction No Curfew 5 3 8 Total 18 15 Decimal rounded to 4 places c What is the probability a student has a curfew and chores P chores Decimal rounded to 4 places d Are having chores and having a curfew independent O No because P chores is not equal to P chores given curfew OYes because the P chores is equal to the P chores given curfew Proof P chores given curfew
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