A particular fruit's weights are normally distributed, with a mean of 255 grams and a standard deviation of 10 grams.
The heaviest 9% of fruits weigh more than how many grams?
2 answers
Let me see
from the z-score table
the heaviest 9% are more than 1.34 σ above the mean
255 g + (1.34 * 10 g) = ? g
the heaviest 9% are more than 1.34 σ above the mean
255 g + (1.34 * 10 g) = ? g