10% of manufactured items are found to be defective. If you randomly selected 2 items what is the probability that the first is good and the second is defective?
Answers
Answered by
2
Answer:9/100
Step-by-step explanation:
Let totalitems be. 100
Therefore defective 10% are 10 items
Since first one is selected from good ones ,therefore P=90/100=9/10
Second one selected from defective,therefore p=10/100=1/10
Therefore total probability=9/10.1/10
P=9/100
Similar questions