A quality-control engineer samples 100 items manufactured

Chapter 2, Problem 11E

(choose chapter or problem)

Get Unlimited Answers
QUESTION:

A quality-control engineer samples 100 items manufactured by a certain process, and finds that 15 of them are defective. True or false:

a. The probability that an item produced by this process is defective is 0.15.

b. The probability that an item produced by this process is defective is likely to be close to 0.15, but not exactly equal to 0.15.

Questions & Answers

QUESTION:

A quality-control engineer samples 100 items manufactured by a certain process, and finds that 15 of them are defective. True or false:

a. The probability that an item produced by this process is defective is 0.15.

b. The probability that an item produced by this process is defective is likely to be close to 0.15, but not exactly equal to 0.15.

ANSWER:

Answer:

Step 1 of 3:

          A quality control engineer samples 100 items manufactured by a certain process, and finish that 15 of them are defective.

            The proportion of defectives are 

                                        Where, x is 15 defectives selected from 100 samples.

                                                     n is number of samples.

            Therefore,  

                              = 0.15


Add to cart


Study Tools You Might Need

Not The Solution You Need? Search for Your Answer Here:

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back