Example 8.30 If a machine is set up correctly it produces 90 per cent good items; if it is incorrectly set up then it produces 10 per cent good items. Chances for a setting to be correct and incorrect are in the ratio of 7:3. After a setting is made, the first two items produced are found to be good items. What is the chance that the setting was correct?
Example 8.30 If a machine is set up correctly it produces 90 per cent good items; if it is incorrectly set up then it produces 10 per cent good items. Chances for a setting to be correct and incorrect are in the ratio of 7:3. After a setting is made, the first two items produced are found to be good items. What is the chance that the setting was correct?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
Transcribed Image Text:Example 8.30 If a machine is set up correctly it produces 90 per cent good items; if it is incorrectly set
up then it produces 10 per cent good items. Chances for a setting to be correct and incorrect are in the
ratio of 7:3. After a setting is made, the first two items produced are found to be good items. What is the
chance that the setting was correct?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON