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 15:50, king3620
Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units
Answers: 1
image
Mathematics, 22.06.2019 00:00, sarahmolina246
Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!
Answers: 1
image
Mathematics, 22.06.2019 01:00, Gtx014
In a tutoring session, 2/3 of an hour was spent reviewing math problems. adelina attended 3/4 of the tutoring session. how much time did adelina spend at the tutoring session?
Answers: 2
image
Mathematics, 22.06.2019 01:30, heidiallen565
Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?
Answers: 3
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
Mathematics, 11.04.2021 22:50
Konu
Mathematics, 11.04.2021 22:50
Konu
Business, 11.04.2021 22:50