A company sells cookies in 250-gram packs. When a particular batch of 1,000 packs was weighed, the mean weight per pack was 255 grams and the standard deviation was 2.5 grams.
Assuming the data is normally distributed, we can conclude that % of the packs weighed less than 250 grams

Question

A company sells cookies in 250-gram packs. When a particular batch of 1,000 packs was weighed, the mean weight per pack was 255 grams and the standard deviation was 2.5 grams.
Assuming the data is normally distributed, we can conclude that % of the packs weighed less than 250 grams

amistre64 · Answer

what do you have that will help you solve this?

kiddroyaltyy · Answer

Thats all it gave me and i don't understand it.

amistre64 · Answer

th ething is, yo have to have some sort of basic stuff to work with, tables, calculator, something ..... is it meant to be exact or approximated?