MathCastle
Statistics & DataSuperchallengeThe Normal Distribution

The Normal Distribution · Superchallenge problem

Bolt lengths are normal with mean 10.0010.00 mm and standard deviation 0.050.05 mm. Bolts shorter than 9.909.90 mm or longer than 10.0810.08 mm are rejected. Among the accepted bolts, what fraction are longer than 10.0010.00 mm? Round to three decimal places.