Question

Specifications for a part for a DVD player state that the part should weigh between 24 and 25 ounces. The process that produces the parts has a mean of 24.5 ounces and a standard deviation of .2 ounce. The distribution of output is normal. a. What percentage of parts will not meet the weight specs

Answer 1

Answer:

The answer is "2.5".

Step-by-step explanation:

$\to \frac{(25-24.5)}{0.2}= \frac{(0.5)}{0.2}=2.5$

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.