A company produces steel rods. The lengths of the steel rods are normaly distributed with a mean of 250.5 cm and a standard deviation of 0.6 cm . For shipment, 27 steel rods are bundled together. Find
P_(5s)
, which is the average length separating the smallest
65%
bundles from the largest
35%
bundles.
P_(s)=
?
cm Enter your answer as a number accurate to 2 decimal place. Answers obtained using exact
z
-scores or 2 -scores rounded to 3 decimal places are accepted.