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A company produces steel rods. The lengths of the steel rods are normally distributed with a...

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 141.2-cm and a standard deviation of 1.6-cm. Suppose a rod is chosen at random from all the rods produced by the company. There is a 25% probability that the rod is longer than:

Enter your answer as a number accurate to 1 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

Math   Statistics-And-Probability   
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