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Mathematics, 01.06.2021 15:30 mimi5261
3,500 randomly chosen voters are asked in a national poll if they approve of the job the president is doing. Which best describes a sampling distribution of the sample proportion in this situation? The sample proportions, , who approve the president within all possible samples of this size. A confidence interval containing the true proportion of voters who approve of the president. The proportion of all voters who approve the president. The proportion of these 3,500 voters who approve the president.
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Mathematics, 21.06.2019 16:20
Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais
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