Example 17-45. A random variable X takes the values, 0,1, 2, with respecti N +(1-) (1-) 1-a probabilities and 4N + 2 2N 2 where N is a known number and a, O are unknown parameters. If 75 independent observations on X yielded the values 0, 1, 2 with frequencies 27, 38, 10 respectively, estimate 6e and a by the method of moments

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