6. The following table cross-classifies pregnant women in the study by their body mass index (BMI) at 16 weeks gestation and whether they had pre-term delivery. What is the probability of women with BMI less than 30 and delivers pre-term?   BMI <30 BMI 30-34.9 BMI 35+ Pre- Term 320 80 120 Full term 4700 480 300 A)0.0867B)0.2857C)0.0533D)0.533

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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6. The following table cross-classifies pregnant women in the study by their body mass index (BMI) at 16 weeks gestation and whether they had pre-term delivery. What is the probability of women with BMI less than 30 and delivers pre-term?

  BMI <30 BMI 30-34.9 BMI 35+
Pre- Term 320 80 120
Full term 4700 480 300


A)0.0867
B)0.2857
C)0.0533
D)0.533

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