Solution Found!
Suppose that in Exercise 8-14 we wanted the error in
Chapter 8, Problem 16E(choose chapter or problem)
QUESTION:
Suppose that in Exercise 8-14 we wanted the error in estimating the mean life from the two-sided confidence interval to be five hours at 95% confidence. What sample size should be used?
Questions & Answers
QUESTION:
Suppose that in Exercise 8-14 we wanted the error in estimating the mean life from the two-sided confidence interval to be five hours at 95% confidence. What sample size should be used?
ANSWER:Step 1 of 2
Given,
Error in estimating the mean life, E = 5 Hrs
CI = 95%
From exercise 8.14, we have
The standard deviation,