Mathematics, 12.12.2019 03:31 lexidonoghue122

Suppose a researcher is interested in determining if there is a relationship between low birth weight and pediatric pneumonia. in order to test this relationship, the researcher will use a σ=746 grams and a margin of error plus or minus 646 grams. how many newborns will the researcher need to sample in order to be 95% confident?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:00, crispingolfer7082

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Answers: 1

continue

Mathematics, 21.06.2019 16:30, leo4687

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Answers: 3

continue

Mathematics, 21.06.2019 18:30, myohmyohmy

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Answers: 3

continue

Mathematics, 21.06.2019 20:00, Govt9140

Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2

Answers: 2

continue

You know the right answer?

Suppose a researcher is interested in determining if there is a relationship between low birth weigh...