AP Stat First semester Review (Part B)

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  1. Jeff McCalla
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For problem 21 (about 7.5 minutes into the video), the reason not to use the binomial expressions has nothing to do with the conditions for a sample proportion test being satisfied. Rather, it is because the given binomial expressions are for the probability of the sample containing exactly 180 seniors (choice A) or exactly 20 seniors (choice B), not for there being 20 seniors or less.

DoctorFastest