6. [25 Points] A company produces and ships 16 personal computers knowing that 4 of them have defective wiring. The company that purchased the computers will thoroughly test three of the computers. The purchasing company can detect the defective wiring. What is the probability that the purchasing company will find the following? (a) No defective computers (b) Exactly three defective computers (c) Two or more defective computers (d) One or fewer defective computers
Added by Kristen M.
Close
Step 1
No defective computers: The probability of selecting a non-defective computer is 12/16 = 0.75. Since the company is testing three computers, the probability of all three being non-defective is (0.75)^3 = 0.421875 or 42.19%. Show more…
Show all steps
Your feedback will help us improve your experience
Qudsiya Anis and 60 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
A shipment of 25 computers where 6 are defective just arrived. Determine the probability of selling 2 defective computers in a row.
Sri K.
Lien L.
A manufacturer tests 1200 computers and finds that 9 of them have defects. Find the probability that a computer chosen at random has a defect. Predict the number of computers with defects in a shipment of $15,000$ computers. Explain your reasoning.
Probability
Sample Spaces and Probability
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD