mont4e_sm_ch08_sec07 - Section 8-7 8-67 95% tolerance...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Section 8-7 8-67 95% tolerance interval on the life of the tires that has a 95% CL given x = 60139.7 s = 3645.94 n = 16 we find k =2.903 () () ) 86 . 70723 , 54 . 49555 ( 94 . 3645 903 . 2 7 . 60139 , 94 . 3645 903 . 2 7 . 60139 , + + ks x ks x 95% confidence interval (58,197.3 μ 62,082.07) is shorter than the 95%tolerance interval. 8-68 99% tolerance interval on the Izod impact strength PVC pipe that has a 90% CL given x=1.25, s=0.25 and n=20 we find k =3.368 () () ) 092 . 2 , 408 . 0 ( 25 . 0 368 . 3 25 . 1 , 25 . 0 368 . 3 25 . 1 , + + ks x ks x The 99% tolerance interval is much wider than the 99% confidence interval on the population mean (1.090 μ 1.410). 8-69 95% tolerance interval on the syrup volume that has 90% confidence level x = 1.10 s = 0.015 n = 25 and k=2.474 () () ) 14 . 1 , 06 . 1 ( 015 . 0 474 . 2 10 . 1 , 015 . 0 474 . 2 10 . 1 , + + ks x ks x 8-70 99% tolerance interval on the polyunsaturated fatty acid in this type of margarine that has a confidence level of 95% x = 16.98 s = 0.319 n=6 and k = 5.775 () () ) 82 . 18 , 14 . 15 ( 319 . 0 775 . 5 98 . 16 , 319 . 0 775 . 5 98 . 16 , + + ks x ks x The 99% tolerance interval is much wider than the 99% confidence interval on the population mean (16.46 μ 17.51).
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/12/2009 for the course IND E 315 taught by Professor Kailashkapur during the Spring '09 term at University of Washington.

Page1 / 3

mont4e_sm_ch08_sec07 - Section 8-7 8-67 95% tolerance...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online