Data management grad e12
posted by Madmazel .
The height of 16monthold seedlings are normally distributed with a mean of 31.5 cm and standard deviation of 10 cm. What is the height above which 75% of the seedlings have grown?

hi, ok try using the zscore tables and find 0.75 and find the zscore that corresponds. use that with the formula. except you get one value and you need a range. im not sure????