pattydixon6
25.11.2019 •
Mathematics
10.16 a random sample of 250 observations is taken from population a, which has 30% of its population living in poverty: pa 5 .3. a second random sample of size 350 is taken indepen- dently taken from population b, which has 15% of its population living in poverty: pb 5 .15. a. what are the mean and standard deviation of the difference in
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Ответ:
No
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