Statistics ITU Board 2082
The finished inside diameter of a piston ring is normally distributed with a mean of 10 cm and standard deviation of 0.04 cm. i) What proportion of rings will have an inside diameter exceeding 10.08…
5The finished inside diameter of a piston ring is normally distributed with a mean of 10 cm and standard deviation of 0.04 cm.
i) What proportion of rings will have an inside diameter exceeding 10.08 cm
ii) Below what value of inside diameter will 10% of the piston rings fall?
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