# A lot of 100 semiconductor chips contains 20 that are defective. (a) Two are selected, at random,

## Question:

(a) Two are selected, at random, without replacement, from the lot. Determine the probability that the second chip selected is defective.

(b) Three are selected, at random, without replacement, from the lot. Determine the probability that all are defective.

Fantastic news! We've Found the answer you've been seeking!

## Step by Step Answer:

**Related Book For**

## Applied Statistics And Probability For Engineers

**ISBN:** 9781118539712

6th Edition

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