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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 ...
Hidden bargains include top-notch $14 earbuds (they're 50% off!) and there's plenty more where that came from. ... It's over 30% off with Prime and the on-page coupon, so say goodbye to those ...
Radar beacon. Racon signal as seen on a radar screen. This beacon receives using sidelobe suppression and transmits the letter "Q" in Morse code near Boston Harbor (Nahant) 17 January 1985. Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1 ...
American Airlines reported total CO2e emissions (direct and indirect) for the twelve months ending December 31, 2020, at 20,092 Kt (-21,347 /-51.5% y-o-y). The company aims to achieve net zero carbon emissions by 2050. [165]
Rayon, also called viscose [1] and commercialised in some countries as sabra silk or cactus silk, [2] is a semi-synthetic fiber, [3] made from natural sources of regenerated cellulose, such as wood and related agricultural products. [4] It has the same molecular structure as cellulose.
The Universal Product Code (UPC or UPC code) is a barcode symbology that is used worldwide for tracking trade items in stores. The chosen symbology has bars (or spaces) of exactly 1, 2, 3, or 4 units wide each; each decimal digit to be encoded consists of two bars and two spaces chosen to have a total width of 7 units, in both an "even" and an ...
Key:YFGHCGITMMYXAQ-UHFFFAOYSA-N Y. (verify) Modafinil, sold under the brand name Provigil among others, is a wakefulness-promoting medication used primarily to treat narcolepsy. [3] [8] [12] Modafinil is also approved for stimulating wakefulness in people with sleep apnea and shift work sleep disorder. [3] It is taken by mouth.
The Israel Defense Forces ( IDF; Hebrew: צְבָא הַהֲגָנָה לְיִשְׂרָאֵלTsva ha-Hagana le-Yisra'el ⓘ, lit.'The Army of the Defense for Israel' ), alternatively referred to by the Hebrew-language acronym Tzahal ( צה״ל ), is the national military of the State of Israel. It consists of three service branches: the ...