Mathematics, 03.06.2020 01:58 khristaviaaa
A used car dealer wants to know the mean mileage of the cars currently in his lot. Rather than checking all of the cars, he samples 25 cars and finds that the mean mileage of the sample is 12,456.25. Assuming a standard deviation of 225 miles a confidence level of 95%, what is the margin of error for the sample mean? Use z=1.960
answers-
17.64
52.6
88.2
104.67
Answers: 3
Mathematics, 21.06.2019 15:00
The triangles are similar. what is the value of x? show your work.
Answers: 2
Mathematics, 21.06.2019 16:30
Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15
Answers: 3
A used car dealer wants to know the mean mileage of the cars currently in his lot. Rather than check...
Mathematics, 22.07.2019 03:30
English, 22.07.2019 03:30
Business, 22.07.2019 03:30
History, 22.07.2019 03:30
English, 22.07.2019 03:30
Mathematics, 22.07.2019 03:30
English, 22.07.2019 03:30
Chemistry, 22.07.2019 03:30
Biology, 22.07.2019 03:30
Health, 22.07.2019 03:30