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Business, 14.02.2020 18:25 ojbank4411
The number of persons coming through a blood bank until the first person with type A blood is a random variable Y with a geometric distribution. If p denotes the probability that any one randomly selected person will possess type A blood, then E[Y ] = 1/p and V [Y ] = (1-p)/p2.
Find a function of Y that is an unbiased estimator of V [Y ].
Then suggest how to form a two-standard error bound on the error of estimation when Y is used to estimate 1/p.
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