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2. Coupon collector's problem - Wikipedia

   en.wikipedia.org/wiki/Coupon_collector's_problem

   Coupon collector's problem. 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 brand of cereals contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be ...

3. Affordable Care Act - Wikipedia

   en.wikipedia.org/wiki/Affordable_Care_Act

   No. 20-219, 596 U.S. ___ (2022) The Affordable Care Act ( ACA ), formally known as the Patient Protection and Affordable Care Act ( PPACA) and colloquially as Obamacare, is a landmark U.S. federal statute enacted by the 111th United States Congress and signed into law by President Barack Obama on March 23, 2010.

4. Sales promotion - Wikipedia

   en.wikipedia.org/wiki/Sales_promotion

   Kids eat free specials: Offers a discount on the total dining bill by offering 1 free kids meal with each regular meal purchased. Sampling: Consumers get one sample for free, after their trial and then could decide whether to buy or not. New technologies have provided a range of new opportunities for sales promotions.

5. Renewable energy - Wikipedia

   en.wikipedia.org/wiki/Renewable_energy

   Renewable energy (or green energy) is energy from renewable natural resources that are replenished on a human timescale. Using renewable energy technologies helps with climate change mitigation, energy security, and also has some economic benefits. [1] Commonly used renewable energy types include solar energy, wind power, hydropower, bioenergy ...

6. Twitch (service) - Wikipedia

   en.wikipedia.org/wiki/Twitch_(service)

   Twitch is an American video live-streaming service that focuses on video game live streaming, including broadcasts of esports competitions, in addition to offering music broadcasts, creative content, and "in real life " streams. Twitch is operated by Twitch Interactive, a subsidiary of Amazon. [4] It was introduced in June 2011 as a spin-off of ...

7. Arizona - Wikipedia

   en.wikipedia.org/wiki/Arizona

   Arizona is the sixth largest state by area, ranked after New Mexico and before Nevada. Of the state's 113,998 square miles (295,000 km 2 ), approximately 15% is privately owned. The remaining area is public forest and parkland, state trust land and Native American reservations.