# Answer on Statistics and Probability Question for Stilla

Question #45607

(a) A stamping machine produces â€˜can topsâ€™ whose diameters are normally distributed with a standard deviation of 0.02 inch. At what nominal mean diameter should the machine be set, so that no more than 9 % of the â€˜can topsâ€™ produced have diameters exceeding 3.5 inches?

(b) Let A and B be independent events with P (A) = 1/4 and P (A U B) = 2P (B) âˆ’ P (A).

Find (a). P (B); (b).P (A|B); and (c). P (Bc|A).

(b) Let A and B be independent events with P (A) = 1/4 and P (A U B) = 2P (B) âˆ’ P (A).

Find (a). P (B); (b).P (A|B); and (c). P (Bc|A).

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