A machine is set to turn out ball bearings having a radius of 1 centimeter. A...

A machine is set to turn out ball bearings having a radius of 1 centimeter. A sample of 10

ball bearings produced by this machine has a mean radius of 1.004 centimeters with a

standard deviation of 0.003 centimeters. Is there any reason to suspect the machine is

turning out ball bearings having a mean radius different than 1 centimeter?

Expert Solution

Let alpha = 0.05

orchestra answered 2 years ago

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