Babies Who Are Born Prematurely Are Susceptible to the Development

Multiple Choice

Babies who are born prematurely are susceptible to the development of a lung condition known as bronchopulmonary dysplasia (BPD) .A sample of babies who weighed less than 1750 grams at birth,and who required intubation during the first few hours of life,was followed to determine the probability that the child develops BPD later in life.To model the probability that a child develops BPD as a function of the baby's birth weight x,a logistic regression was fitted.The fitted equation was found to be = 4.0343 - 0.0042x. From this equation,what would be the estimated probability that a child who weighed 1100 grams at birth develops BPD?

A) 0.009
B) 0.557
C) 0.499
D) 0.358
E) Not within ± 0.01 of any of the above