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In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...
Dr. Scholl's Time Off Sneaker. $70 $100 Save $30. People have called them "literally the comfiest sneaker" they've ever worn. For us, this taupe pair is tops. $70 at Amazon.
Similar formulas can be derived for the expected number of people who share with three, four, etc. other people. Number of people until every birthday is achieved. The expected number of people needed until every birthday is achieved is called the Coupon collector's problem. It can be calculated by nH n, where H n is the n th harmonic number ...
Buy one, get one free. " Buy one, get one free " or " two for the price of one " is a common form of sales promotion. Economist Alex Tabarrok has argued that the success of this promotion lies in the fact that consumers value the first unit significantly more than the second one. So compared to a seemingly equivalent "Half price off" promotion ...
Alrocket HEPA Air Purifier. $38 $70 Save $32. In case you haven't noticed, allergy season's in full effect, and having an air purifier around can help mitigate those pesky sniffles and itchy eyes ...
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Cast Away is a 2000 American survival drama film directed and produced by Robert Zemeckis and starring Tom Hanks, Helen Hunt, and Nick Searcy.Hanks plays a FedEx troubleshooter who is stranded on an uninhabited island after his plane crashes in the South Pacific, and the plot focuses on his desperate attempts to survive and return home.
Olay Regenerist Micro-Sculpting Cream. $20 $35 Save $15. This thick and hydrating cream from Olay is formulated with niacinamide and B3 vitamins, which work to brighten the skin and improve a dull ...
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