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 15:00
What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]
Answers: 2
Mathematics, 21.06.2019 15:00
Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?
Answers: 1
Mathematics, 21.06.2019 17:30
Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?
Answers: 3
Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a...
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