A TV station takes a poll. A local television station announces a question fora call-in
Chapter 0, Problem 16.1(choose chapter or problem)
A TV station takes a poll. A local television station announces a question fora call-in opinion poll on the six oclock news and then gives the response on theeleven oclock news. Todays question is What yearly pay do you think membersof the City Council should get? Call us with your number. In all, 958 people call.The mean pay they suggest is x = $8740 per year, and the standard deviation ofthe responses is s = $1125. For a large sample such as this, s is very close to theunknown population , so take = $1125. The station calculates the 95%confidence interval for the mean pay that all citizens would propose for councilmembers to be $8669 to $8811.(a) Is the stations calculation correct?(b) Does their conclusion describe the population of all the citys citizens?Explain your answer.
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