subject
Mathematics, 19.06.2020 01:57 vivian2020

A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that whenever this process is in control, package weight is normally distributed with a mean of 20 ounces and a standard deviation of two ounces. Each day last week, he randomly selected four packages and weighed each: Day Weight (ounces) Monday 23 22 23 24 Tuesday 23 21 19 21 Wednesday 20 19 20 21 Thursday 18 19 20 19 Friday 18 20 22 20 What is the standard deviation of the sampling distribution of sample means for whenever this process is in control? Multiple Choice 0.1 ounces 0.4 ounces 0.5 ounces 1 ounce 2 ounces

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:00, chazpooh208
Small kingdoms on the iberian peninsula fought to take land back from the moors during which event? the hundred years’ war the wars of the roses the reconquista the great schism
Answers: 2
image
Mathematics, 21.06.2019 19:30, book0001
The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?
Answers: 1
image
Mathematics, 21.06.2019 21:30, fjdkj
Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms
Answers: 1
image
Mathematics, 21.06.2019 22:00, wazzuphottie1999
Iam at home. /: i am playing video games. translate the following statement into symbolic form.
Answers: 2
You know the right answer?
A quality analyst wants to construct a sample mean chart for controlling a packaging process. He kno...

Questions in other subjects:

Konu
Mathematics, 27.10.2020 18:20
Konu
Mathematics, 27.10.2020 18:20