Mathematics, 20.12.2019 03:31, major126
Astudy was conducted to investigate the relationship between maternal smoking during pregnancy and the presence of congenital malformations in the child. among children who suffer from an abnormality other than down's syndrome or an oral cleft, 32.8% have mothers who smoked during pregnancy. this proportion is homogeneous for children with various types of defects.
a) if you were to select repeated samples of size 25 from this population, what could you say about the distribution of the sample proportions? list 3 properties.
b) among the samples of size 25, what fraction has a sample proportion of .45 or higher?
c) what fraction has a sample proportion of .20 or lower?
d) what value of p cuts off the lower 10% of the distribution?
Answers: 2
Mathematics, 21.06.2019 13:00, anamaliiow
The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?
Answers: 2
Mathematics, 21.06.2019 18:50, khalfani0268
The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year
Answers: 3
Mathematics, 22.06.2019 00:00, normakite
The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.
Answers: 2
Astudy was conducted to investigate the relationship between maternal smoking during pregnancy and t...
Biology, 25.07.2019 19:00
History, 25.07.2019 19:00
History, 25.07.2019 19:00
History, 25.07.2019 19:00