Mathematics, 14.09.2021 06:10 MsTasha06

Of all the Harry Potter books purchased in a recent year, about 60% were purchased for readers 14yrs or older. If 12 Harry Potter fans who bought the book that year are surveyed, find the following probabilities. a) At least 5 of them are 14 or older.
b) Exactly nine of the are 14 or older
c) Less than 3 of them are 14 or older.

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