A discrete random variable x, has the following pmf: 0.05 0.1 0.2 Px(x) = 0.2 0.3 0.1 0.05 Determine its expectation. 1000 2000 3000 for X= 4000 5000 6000 7000

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A: 635 502 447 701 405 590 439 453 337 447 471 387 464 476 514 Median =…

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A: given data Airline A: n1 = 270x1  = 207Airline B : n2  = 340x2 = 239α = 0.10claim : p1 ≠ p2