An inspection engineer extracts a sample of 15 items at random from a manufacturing process known to produce 85% acceptable items. What is the probability that 10 of the extracted items are acceptable? Justify your answer. a) 4,6% b) 4,0% c) 5,4% d) 5% e) 4,5%
An inspection engineer extracts a sample of 15 items at random from a manufacturing process known to produce 85% acceptable items. What is the probability that 10 of the extracted items are acceptable? Justify your answer. a) 4,6% b) 4,0% c) 5,4% d) 5% e) 4,5%
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
100%
An inspection engineer extracts a sample of 15 items at random from a manufacturing process known to produce 85% acceptable items. What is the probability that 10 of the extracted items are acceptable? Justify your answer.
a) 4,6%
b) 4,0%
c) 5,4%
d) 5%
e) 4,5%
Expert Solution
Step 1
We have given that
X~Binomial ( n , p )
n= 15 , p= 0.85
, q= 1- p = 0.15
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON