contestada

A national manufacturer of unattached garages discovered that the distribution of the time for two construction workers to erect the red barn model is normally distributed with a mean of 32 hours and a standard deviation of 2 hours. what percent of the garages take between 32 and 34 hours to erect?

Respuesta :

MrCreighton

In a normal distribution, 34.1% of all value lie between the mean and 1 standard deviation above the mean. Which mean 34.1% of all barns can be constructed between 32 and 34 hours.