Duplicate Question
The question on this page has been marked as a duplicate question.
Original Question
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 170 and a variance of 4. T...Asked by apryl
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 9. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single, randomly selected piece of material will be defective? (Give the answer to two decimal places.)
Answers
Answered by
PsyDAG
Z = (score-mean)/SD
Variance = SD^2
Use the same table.
Variance = SD^2
Use the same table.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.