Suppose that n items are sampled from a manufacturing

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Reference no: EM13612414

Suppose that n items are sampled from a manufacturing process and the number of defective items found among these is X. Denote the unknown true proportion of defective items by?

(a) Consider the estimator (X + 0.5)/(n + 1) for ?. Is this estimator unbiased? Compute its mean squared error.

(b) Supppose n = 100 and the observed value of X is x = 14. Find an approximate 95% confidence interval for ?.

Reference no: EM13612414

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