Consider the random variable x with probability distribution p(x) described as follows: x: p(x): 1 3 4 T T I 4 4 2 Consider sampling the sampling distribution for for samples of size n = 2. (a) Calculate the mean μ of x. (b) What are all possible values for the mean of the sample, x, and their probabilities, P(x)? (c) What is the mean of the sampling distribution p(x)? (d) Is a biased or unbiased estimator for u? Explain.

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