Answer:
The answer is "2.5".
Step-by-step explanation:
[tex]\to \frac{(25-24.5)}{0.2}= \frac{(0.5)}{0.2}=2.5[/tex]
The pieces which does not achieve that specific weight either are below and above the average standard deviation of 2.5. The percentage of components not fulfilling their weight data is 1.1% using a Table of Z-scores.