If one of these lightbulbs is selected at​ random, find the probability that the lightbulb is defective.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
icon
Related questions
Question
A quality control inspector is checking a sample of lightbulbs for defects. The table summarizes the results. If one of these lightbulbs is selected at​ random, find the probability that the lightbulb is
defective.
Wattage Good Defective Total
20 62 9 71
50 100 14 114
100 82 13 95
Total 244 36 280
 
 
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer