A factory produces 200 articles a year. How many more articles will the factory produce in a year if labor productivity increase
2 answers:
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bolts of length more than , and less than
will be destroyed
= 13.20 cm and 12.80 cm
<u>Step-by-step explanation:</u>
Here we have , A manufacturer of bolts has a quality-control policy that requires it to destroy any bolts that are more than 2 standard deviations from the mean. The quality-control engineer knows that the bolts coming off the assembly line have mean length of 13 cm with a standard deviation of 0.10 cm. We need to find For what lengths will a bolt be destroyed .Let's find out:
A manufacturer of bolts has a quality control policy that requires it destroy any bolts that are more than 2 standard deviations from the mean.
mean length=
standard deviation=
2 standard deviation from mean=
Therefore, bolts of length more than , and less than
will be destroyed
= 13.20 cm and 12.80 cm