Mathematics, 01.10.2019 02:10, sharkboy578
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a pollster contacts 77 people in the 18-21 age bracket and finds that 65 of them respond and 12 refuse to respond. when 301 people in the 22-29 age bracket are contacted, 275 respond and 26 refuse to respond. assume that 1 of the 378 people is randomly selected. find the probability of getting someone in the 18-21 age bracket or someone who agreed to respond.
Answers: 1
Mathematics, 21.06.2019 21:40, chunkymonkey090
Ihonestly have no clue if it's each or none.
Answers: 1
Mathematics, 21.06.2019 22:00, hannahpalmario
The customer price index(cpi), which measures the cost of a typical package of customer goods, was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely. use data points to find such a line and then estimate the requested quantities
Answers: 1
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a...
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