a teacher is giving an exam where students will have to answ

a teacher is giving an exam where students will have to answer 6 essay questions. she gives the students 12 possible essay questions the week before the exam. a specific student bob only has time to prepare for 8 of the questions. find the probability bob has prepared for all the essay questions on the test. find the probability bob has prepared for exactly 3 of the essay questions. find the probablility bob has prepared for at least 1 of the essays on the test.

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