Specifications for a part for DVD player state that the part should weight between 24.9 and 25.9 ounces. The pricess that produces the parts has a mean of $25.4 once and a standard deviation of 0.22 ounce. The distribution of output is normal.
a.What percent pf Parts will not meet the weigt specs? (Round the "z"value and final answer to 2 decimal places. Omit the % sign in your response
B.Within what values will 99.74 percent of sample means of this process falls if sample of n=12 are taken and the process is in control (random?)(round your answers to 2 decimal places