Mathematics, 28.09.2019 02:30, tahtahtw4887
The gestation time of humans has an approximate normal distribution with a mean of 250 days and a standard deviation of 6.0 days. a simple random sample of newborns is taken. how large of a sample is needed so that the sampling distribution of has a standard deviation of 1 day?
Answers: 2
Mathematics, 21.06.2019 19:30, Tcareyoliver
If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b
Answers: 1
Mathematics, 21.06.2019 19:30, MagicDragon4734
Which of the points a(6, 2), b(0, 0), c(3, 2), d(β12, 8), e(β12, β8) belong to the graph of direct variation y= 2/3 x?
Answers: 2
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