Answered: Twin Births Twin Births 1995-1997 (In…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 54E: Conditional probability If 40 of the population have completed college, and 85 of college graduates...

See similar textbooks

Related questions

Question

A medical publication published a study that examined pregnancies that resulted in the birth of twins. Births were classified as preterm with intervention procedures, preterm without procedures, or term/post-term. They were also classified by the level of prenatal medical care the mother received (inadequate, adequate, or intensive). The data are summarized in the accompanying table (figures are in thousands of births). Complete parts a through e below.

a) What percent of these mothers received inadequate medical care during their pregnancies?

___________%

(Round to two decimal places as needed.)

b) What percent of all twin births were preterm?

__________%

(Round to two decimal places as needed.)

c) Among the mothers who received inadequate medical care, what percent of the twin births were preterm?

______________%

(Round to two decimal places as needed.)

d) Create an appropriate graph comparing the outcomes of these pregnancies by the level of medical care the mother received

e) Describe the association between these two variables.

Increasing levels of medical care appears to be associated with an increase in the proportion of term/post-term pregnancies.