Mathematics, 19.07.2019 11:30 Kitty10101
How do i determine a population deviation with literally only a the question is phrased like suppose that 44% of all americans approve of the job the president is doing. the most recent gallup poll had a sample size of 1400. a) what is the mean of the sampling distribution b) what is the standard deviation of the sampling distribution (don't forget to justify the use of the formula). c) describe the normal approximation for this sampling distribution (don't forget to justify this! ) you can simply write as n ( mean, standard deviation). d) what is the probability that the gallup poll will come up with a probability within three percentage points of the true 44%? when you answer, give the answers and a detailed explanation of how you got the answers.
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How do i determine a population deviation with literally only a the question is phrased like suppo...
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