Mathematics
13.07.2022 22:55
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From a phone survey, a researcher determined that the true estimate for the proportion
From a phone survey, a researcher determined that the true estimate for the proportion of voters who will reelect the mayor is likely to be in the interval (0.39, 0.47) .
what is the survey’s margin of error?
enter your answer in the box.
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what is the survey’s margin of error?
enter your answer in the box.
mia12340
5,0(59 marks)
Here, p^ = (0.39 + 0.47)/2 = 0.43
The given interval is (0.43 - 0.04, 0.43 + 0.04).
Therefore, the margin of error is 0.04.
The given interval is (0.43 - 0.04, 0.43 + 0.04).
Therefore, the margin of error is 0.04.
lance31
4,7(27 marks)
50 because their product is equal to and the sum is equal to
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