Answered: (a) Use the given information to estimate the probability that a newborn baby is female, given that the ultrasound predicted the baby would be female. (b) Use...

MATLAB: An Introduction with Applications

6th Edition

ISBN: 9781119256830

Author: Amos Gilat

Publisher: John Wiley & Sons Inc

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Tutorial Exercise
Is ultrasound a reliable method for determining the gender of an unborn baby? There is accompanying data on 1,000 births in the table below.

Ultrasound
Predicted
Female
Ultrasound
Predicted
Male
Actual Gender Is
Female
329
46
Actual Gender Is
Male
101
524
(a)
Use the given information to estimate the probability that a newborn baby is female, given that the ultrasound predicted the baby would be female.
(b)
Use the given information to estimate the probability that a newborn baby is male, given that the ultrasound predicted the baby would be male.
(c)
Based on your answers to parts (a) and (b), do you think ultrasound is equally reliable for predicting gender for boys and for girls?

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