# A quality inspector selects a sample of 12 items at random from a collection of 60 items, of which 18

## Question:

(a) What is the probability that the sample only contains items that have either excellent or good quality?

(b) What is the probability that the sample contains three items of excellent quality, three items of good quality, three items of poor quality, and three defective items?

## This problem has been solved!

Do you need an answer to a question different from the above? Ask your question!

## Step by Step Answer:

**Related Book For**

## Probability And Statistics For Engineers And Scientists

**ISBN:** 9780495107576

3rd Edition

**Authors:** Anthony Hayter

**View Solution**

Create a free account to access the answer

**Cannot find your solution?**

Post a FREE question now and get an answer within minutes.
* Average response time.