Solution Found!
A certain type of aluminum screen 2 feet in width has, on
Chapter 3, Problem 6E(choose chapter or problem)
A certain type of aluminum screen 2 feet in width has, on the average, three flaws in a l00-foot roll.
(a) What is the probability that the first 40 feet in a roll contain no flaws?
(b) What assumption did you make to solve part (a)?
Questions & Answers
QUESTION:
A certain type of aluminum screen 2 feet in width has, on the average, three flaws in a l00-foot roll.
(a) What is the probability that the first 40 feet in a roll contain no flaws?
(b) What assumption did you make to solve part (a)?
ANSWER:
Step 1 of 3
We have aluminium screen it has width 2 feet and on the average, three flaws in a l00-foot roll.
That is x = 3 and n = 100.
We need to find,
(a) What is the probability that the first 40 feet in a roll contain no flaws?
(b) What assumption did you make to solve part (a)?