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Mathematics, 10.11.2020 18:50 kolin89
I had $10 my mom gives me $30 my dad gave me $30 my aunt and uncle give 100 dollars I had $10 how much did I have
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Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem
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I had $10 my mom gives me $30 my dad gave me $30 my aunt and uncle give 100 dollars I had $10 how mu...
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