Mathematics, 28.06.2019 20:30, eylinglez3ovm16v
In order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. assume the population standard deviation is 1.8 hours. a) find standard of error of the mean? b) with a 0.95 probablity, what is the margin of error (approximately)? c) if the sample mean is 9 hours, then the 95% confidence interval is approx?
Answers: 2
Mathematics, 21.06.2019 17:00, laylay7383
The table below shows the height of a ball x seconds after being kicked. what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x) = x2 + x + 0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds? feet
Answers: 2
Mathematics, 21.06.2019 19:30, sofiisabella10
If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8
Answers: 2
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
In order to estimate the average time spent per student on the computer terminals at a local univers...
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