Solution Found!
Refer to Exercise 1. Find a 95% lower confidence bound for
Chapter 5, Problem 6E(choose chapter or problem)
QUESTION:
Refer to Exercise 1. Find a 95% lower confidence bound for the proportion of automobiles whose emissions exceed the standard.
Questions & Answers
QUESTION:
Refer to Exercise 1. Find a 95% lower confidence bound for the proportion of automobiles whose emissions exceed the standard.
ANSWER:
Answer:
Step 1 of 3:
Here our aim is to find a 95% lower confidence bound for the proportion of automobiles whose emissions exceed the standard.
Step 2 of 3:
Let X = The number of automobiles whose emissions exceed the standard.
Therefore,
Where, sample size n = 70, X = 28.
A 95% lower confidence bound for ‘p’ is given by
Where,