Question: Refer to Exercise 6.5. a. Show that x is an unbiased estimator of . b. Find 2x-bar. c. Find the probability that x-bar will fall

Refer to Exercise 6.5.

Refer to Exercise 6.5. a. Show that x is an

a. Show that x is an unbiased estimator of μ.
b. Find σ2x-bar.
c. Find the probability that x-bar will fall within 2σ x-bar of μ.

4 p(x) .2 .3 .2 .2

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