Gangatharan G posted an Question
August 25, 2021 • 23:00 pm 30 points
  • IIT JAM
  • Mathematical Statistics (MS)

Consider the discrete random variable y that takes the values y 1, 2, 3, and 4 with probabilities 0.1, 0.2, 0.3, and 0.4, respectively f we take a random sample

Consider the discrete random variable Y that takes the values y 1, 2, 3, and 4 with probabilities 0.1, 0.2, 0.3, and 0.4, respectively f we take a random sample of size N3 from this distribution, what are the mean and variance of the sample mean, Y = (Y, + Y,+ Y,/3 ? (A) var(Y)-3,EY)- (B) E(Y)-3,var(Y) 3 C) ECY)-0.3, var (Y)- (0)ECY)-1 var (Y)3

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