Mathematics, 10.04.2020 15:47 ricardodeleon152
A factory makes components used in jet engines, including reinforced steel washers. The washers are required to have a very precise diameter. The diameter of the washers follow a normal distribution with mean 1.59 millimeters and standard deviation 0.026 millimeters.
1.A worker measures a washer and finds its diameter to be the 15th percentile. What does this mean?
a. The diameter of the washer is 15% as long as it should be.
b. There is a 15% chance that the washer has the right diameter.
c.15% of the washers have a wider diameter than the washer in question.
d.15% of the washers have a shorter diameter than the washer in question.
2.The diameter of the washers are required to be between 1.53 millimeters and 1.65 millimeters long. Any washers that do not meet this requirement must be discarded. What percentage of washers will the factory have to discard?
a. None of them.
b.1.2% of them.
c.2.1% of them.
d.97.9% of them.
e.98.8% of them.
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A factory makes components used in jet engines, including reinforced steel washers. The washers are...
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