Mathematics, 27.11.2019 23:31 OceanClaws
Fewer young people are driving. in 1983, 87 percent of 19 year-olds had a driver's license. twenty-five years later that percentage had dropped to 75 percent (university of michigan transportation research institute website, april 7, 2012). suppose these results are based on a random sample of 1200 nineteen 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 nineteen year old drivers in 1983? round your answers to three decimal places. margin of error = (four decimal places)interval estimate = tob. at 95% confidence, what tis the margin of error and the interval estimate of the number of nineteen year old drivers in 2008? round your answers to four decimal places. margin of error =interval estimate = toc. is the margin of error the same in parts (a) and ( select your answer -yeswhy, or why not?
Answers: 3
Mathematics, 21.06.2019 18:00, bvaughn6477
Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?
Answers: 1
Mathematics, 21.06.2019 20:30, asdfjk6421
2/3(-6y+9x) expand each expression using the distributive property
Answers: 3
Mathematics, 21.06.2019 22:00, HistoryLee
You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
Answers: 3
Fewer young people are driving. in 1983, 87 percent of 19 year-olds had a driver's license. twenty-f...
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