Answer: The required percentage would be 99.7%.
Explanation:
Since we have given that
It is normally distributed.
mean =

Standard deviation =

Weight = 2 pounds bag
We need to find the percentage of the bags will have weights within 3 standard deviations of the mean.
So, it becomes :

As we know that Approximately 99.7% data falls within 3 standard deviation of the mean.
Hence, the required percentage would be 99.7%.