Mathematics, 13.11.2019 03:31 eggoysters
In 2010, the census bureau estimated the proportion of all americans who own their homes to be 0.669. an urban economist wants to estimate the current (2016) proportion of all americans who own their homes i. making use of the census bureau estimate as a starting point, what sample size does she need to be 90% confident and have the estimate within 0.02 of the true proportion? show your work. if she ignores the census bureau estimate, what sample size does she need to be 90% confident and have the estimate within 0.02 of the true proportion? show your work. ii. b. a researcher wants to estimate the mean hours per week that americans spend watching television. he has read an article about a survey conducted in 2014 that had s = 7.5 hours per week spent watching television. → what sample size does he need to estimate the population mean within 2 hours per week with 95% confidence? show your work.
Answers: 2
Mathematics, 21.06.2019 13:50, talahtoo6659
Is every rectangle is a parallelogram? true false
Answers: 2
Mathematics, 21.06.2019 19:00, mylittleponeyfbrarit
When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30
Answers: 1
Mathematics, 21.06.2019 20:00, sportie59
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
In 2010, the census bureau estimated the proportion of all americans who own their homes to be 0.669...
Mathematics, 26.09.2019 15:30
Mathematics, 26.09.2019 15:30
Mathematics, 26.09.2019 15:30
Mathematics, 26.09.2019 15:30