Mathematics, 21.07.2019 03:00 ronny80
The gallup poll interviews 1600 people. of these, 18% say that they jog regularly. the news report adds: "the poll had a margin of error of plus or minus three percentage points." you can safely conclude that a. 95% of all gallup poll samples like this one give answers within ±3% of the true population value. b. the percent of the population who jog is certain to be between 15% and 21%. c. 95% of the population jog between 15% and 21% of the time. d. we can be 3% confident that the sample result is true. e. if gallup took many samples, 95% of them would find that exactly 18% of the people in the sample jog.
Answers: 1
Mathematics, 21.06.2019 16:30
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The gallup poll interviews 1600 people. of these, 18% say that they jog regularly. the news report a...
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