The Amount of Pyridoxine (In Grams)per Multiple Vitamin Is Normally $\mu$

Short Answer

The amount of pyridoxine (in grams)per multiple vitamin is normally distributed with $\mu$ = 110 grams and $\sigma$ = 25 grams.A sample of 25 vitamins is to be selected.
-So,the middle 70% of all sample means will fall between what two values?