subject
Mathematics, 17.08.2020 05:01 bennettaly2452

It is claimed that an automobile is driven on the average more than 20,000 kilometers per year. To this claim, a random sample of 20 automobile owners is asked to keep a record of the kilometers they travel. Would you agree with the claim if the random sample showed an average of 23,500 kilometers and standard deviation of 3900 kilometers? Use alpha = 5%.

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:00, williams5847
Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?
Answers: 1
image
Mathematics, 21.06.2019 18:40, 25jzaldivar
This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.
Answers: 2
image
Mathematics, 21.06.2019 20:00, christpress0
Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10
Answers: 1
image
Mathematics, 21.06.2019 21:30, shongmadi77
With number 11 ( show how you got the answer)
Answers: 1
You know the right answer?
It is claimed that an automobile is driven on the average more than 20,000 kilometers per year. To t...

Questions in other subjects:

Konu
Physics, 30.04.2021 01:00
Konu
Biology, 30.04.2021 01:00
Konu
Mathematics, 30.04.2021 01:00