# Samples of a Fast aluminum part are classified on the basis of surface finish (in micro inches)

## Question:

Edge finish

Excellent Good

Surface excellent 80 2

Finish good 10 8

Let A denote the event that a sample has excellent surface finish, and let B denote the event that a sample has excellent length. If a part is selected at random,

determine the following probabilities:

(a) P (A) (b) P (A)

(c) P (A`) (d) P (A ∩ B)

(e) (A U B) (f) (A` U B)

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**Related Book For**

## Applied Statistics And Probability For Engineers

**ISBN:** 9781118539712

6th Edition

**Authors:** Douglas C. Montgomery, George C. Runger