Bayes’ Formula Problem: The alpha fetal protein test is meant to detect spina bifida in unborn babies, a condition that

[answerhappygod]

Bayes’ Formula Problem:
The alpha fetal protein test is meant to detect spina bifida in
unborn babies, a condition that affects 1 out of 1000 children who
are born. The literature on the test indicates that 5% of the time
a healthy baby will cause a positive reaction. We will assume that
the test is positive 100% of the time when spina bifida is present.
Your doctor has just told you that your alpha