Assume that round widgets from a manufacturing process have diameters that are normally distributed with mean...

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Assume that round widgets from a manufacturing process have diameters that are normally distributed with mean...

Assume that round widgets from a manufacturing process have diameters that are normally distributed with mean 150.55 centimeters and standard deviation 1.68 centimeters. The chances that a randomly selected widget has diameter greater than 156.5 centimeters is closest to which of the following?

math Statistics-And-Probability

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Answer 1

Answer #1

Let X be the diameter of widget .

Then X~N( 150.55 , 1.68 )

So,

0.0002 is the exact answer .

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Answer 2

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