Mathematics, 05.10.2019 21:00 1deanxcas1

When buying a candy bar, there is a 20% chance that it will also include a coupon for a second candy bar. a student wants to determine the probability that, if she buys 7 candy bars, more than 2 will include a coupon.

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When buying a candy bar, there is a 20% chance that it will also include a coupon for a second candy...