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  1. 7 hours ago · v. t. e. In probability theory, the expected value (also called expectation, expectancy, expectation operator, mathematical expectation, mean, expectation value, or first moment) is a generalization of the weighted average. Informally, the expected value is the mean of the possible values a random variable can take, weighted by the probability ...

  2. 7 hours ago · 222 Main, Salt Lake City, Utah, U.S. The Goldman Sachs Group, Inc. (/ sæks / SAKS) is an American multinational investment bank and financial services company. Founded in 1869, Goldman Sachs is headquartered in Lower Manhattan in New York City, with regional headquarters in many international financial centers. [1]

  3. 7 hours ago · The Information Age (also known as the Third Industrial Revolution, Computer Age, Digital Age, Silicon Age, New Media Age, Internet Age, or the Digital Revolution[ 1 ]) is a historical period that began in the mid-20th century. It is characterized by a rapid shift from traditional industries, as established during the Industrial Revolution, to ...

  4. 7 hours ago · Virgin's original investors wanted fast returns on their investments, so they took the airline public, trading on Nasdaq in November 2014. As the airline saw growing profits year after year, a frenzy ensued, and the airline's stock price climbed from $23 at time of IPO to nearly $30 per share within a just a year. [80]

  5. en.wikipedia.org › wiki › Air_CanadaAir Canada - Wikipedia

    7 hours ago · On 27 June 2019, Transat A.T. agreed to be purchased by Air Canada for CA$13 per share. On 11 August 2019, Air Canada raised the purchase price of Transat A.T. to CA$18 per share. The overall value of the deal was now $720 million. On 23 August 2019, 95% of Transat A.T. shareholders approved the acquisition by Air Canada on that basis.

  6. en.wikipedia.org › wiki › Electric_carElectric car - Wikipedia

    7 hours ago · The price decreased from €605 per kWh in 2010, to €170 in 2017, to €100 in 2019. [ 60 ] [ 61 ] When designing an electric vehicle, manufacturers may find that for low production, converting existing platforms may be cheaper, as development cost is lower; however, for higher production, a dedicated platform may be preferred to optimize design, and cost.

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  8. 7 hours ago · High-speed rail (HSR) is a type of rail transport network utilizing trains that run significantly faster than those of traditional rail, using an integrated system of specialized rolling stock and dedicated tracks. While there is no single standard that applies worldwide, lines built to handle speeds above 250 km/h (155 mph) or upgraded lines ...