let x be a random variable that represents assembly time for theford taurus. ave

ID: 2954289 • Letter: L

Question

let x be a random variable that represents assembly time for theford taurus. average assembly time is = 38 hours. amodification to the assembly line has been made. experience withthis new method indicates that standard deviation = 1.2 hours. itis thought that the average assembly time may be reduced by thismodification. a random sample of 47 new ford taurus automobilescoming off the assembly line showed the average assembly time ofthe new method to be xbar= 37.5 hours. does this indicate that theaverage assembly time has been reduced? use a= 0.01 use a= 0.01

Explanation / Answer

Given =38, s=1.2, n=47, xbar=37.5 The test hypothesis is Ho:>=38 Ha:

Navigate

let vector r(t) = cos(pit)i + sin(pit)j + 2tk represent the position of a partic

let x be a random variable that represents the percentage of successful free thr

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.

let x be a random variable that represents assembly time for theford taurus. ave

Question

Explanation / Answer

Related Questions

Navigate