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At a school, 35% of students say they belong to a club and 42% of students say they have a job. What is the probability (to the nearest whole %) of a student belonging to a club or having a job? (Hint: use the Bayes thm. branches)


Owen says the probability of a randomly selected student belonging to a club or having a job is 77%. What error did Owen make?

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nayeliaguerra

Answer:

The correct answer is 61

Owen forgot to subtract the student who both belonged to a club and had a job, so he double counted them.

Explanation:

I did the test and got it right!

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