Suppose that we want to estimate what percentage of all bearings wears out due to friction within
Question:
Suppose that we want to estimate what percentage of all bearings wears out due to friction within a year of installation. How large a sample will we need to be at least \(90 \%\) confident that the error of our estimate, the sample percentage, is at most \(2.25 \%\) ?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
Question Posted: