Mathematics, 25.06.2019 21:30, mikey200059
Fewer young people are driving. in 1983, 87% of 19-year-olds had a driver’s license. twenty-five years later that percentage had dropped to 75% (university of michigan transportation research institute website, april 7, 2012). suppose these results are based on a random sample of 1200 19-year-olds in 1983 and again in 2008. a. at 95% confidence, what is the margin of error and the interval estimate of the number of 19-year-old drivers in 1983? b. at 95% confidence, what is the margin of error and the interval estimate of the number of 19-year-old drivers in 2008? c. is the margin of error the same in parts (a) and (b)? why or why not?
Answers: 1
Mathematics, 21.06.2019 12:40, thomaswillmsn7496
The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?
Answers: 1
Mathematics, 21.06.2019 18:10, lulustar13
Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin
Answers: 3
Fewer young people are driving. in 1983, 87% of 19-year-olds had a driver’s license. twenty-five yea...
History, 08.01.2021 02:40
Health, 08.01.2021 02:40
Computers and Technology, 08.01.2021 02:40
Mathematics, 08.01.2021 02:40
Mathematics, 08.01.2021 02:40