'The lengths of lumber machine cuts are normally distributed with mean of 101 inches and standard deviation of 0.4 inch What is the probability that randomly selected board cut by the machine has length greater than 01.15 inches? A sample of 39 boards is randomly selected_ What is the probability that their mean length is greater than 101.15 inches? (a) The probability is (Round to four decimal places as needed:)'
Added by Erik W.
Step 1
We are given that the lengths of lumber machine cuts are normally distributed with a mean of 101 inches and a standard deviation of 0.4 inches. Show more…
Show all steps
Close
Your feedback will help us improve your experience
Sri K and 51 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
The lengths of lumber machine cuts are normally distributed with mean of 103 inches and standard deviation of 0.6 inch: What is the probability that randomly selected board cut by the machine has length greater than 103.15 inches? sample of 39 boards is randomly selected_ What is the probability that their mean length is greater than 103.15 inches? (a) The probability is (Round to four decimal places as needed )
Pritesh R.
'The lengths of lumber a machine cuts are normally distributed with a mean of 96 inches and a standard deviation of 0.3 inch_ (a) What is the probability that a randomly selected board cut by the machine has a length greater than 96.12 inches? A sample of 43 boards is randomly selected. What is the probability that their mean length is greater than 96.12 inches? (a) The probability is (Round to four decimal places as needed )'
Donna D.
The lengths of lumber a machine cuts are normally distributed with a mean of 102 inches and a standard deviation of 0.3 inch. (a) What is the probability that a randomly selected board cut by the machine has a length greater than 102.07 inches? (b) A sample of 40 boards is randomly selected. What is the probability that their mean length is greater than 102.07 inches? (a) The probability is (Round to four decimal places as needed.) (b) The probability is (Round to four decimal places as needed.)
T. L.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD