Question

An automotive engineer subjects a large number of brake pads to a stress test and measures the wear on each. She obtains X = 7.5 mm and Oj = 0.2 mm. Use this information to find the P-value for testing Ho: p= 7.0 versus Hy: u* 7.0. (Round the final answer to four decimal places.) P-value =

Answer 1

Ho: u=70 Ha u €7.0 (neell) (heternate, X= 7.5, oă= ನಂ + we lese here hypothesis two failed test and based on ir ora Le 2 sta ă-l or 7.5-700 o-2 ㅏ our 2.57 and pralue 2p(2 > 2.5 10.01999