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Unformatted text preview: about the process if the bolts
get thicker than 10.5 mm or thinner than
Find the probability that the thickness of a
randomly selected bolt is > 10.5 or < 9.5
mm. G. Baker, Department of Statistics
University of South Carolina; Slide 21 Inverse Normal Probabilities
Sometimes we want to answer a question which
is the reverse situation. We know the
probability, and want to find the corresponding
value of Y.
value Area=0.025 -4 -3 -2 y=? -1 0 1 X=? 2 3 4 G. Baker, Department of Statistics
University of South Carolina; Slide 22 Inverse Normal Probabilities
Approximately 2.5% of the bolts produced will
have thicknesses less than ______.
have 0.025 Z
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