3.0 Points A study was undertaken to determine if the amount of daily caffeine h

Question

3.0 Points

A study was undertaken to determine if the amount of daily caffeine had an influence on the probability of a miscarriage in pregnant women. The amount of caffeine ingested in a day was broken down into none, some, but < 200 mg, and > 200 mg. The data are shown below.

The Effects of Caffeine on Miscarriage

Miscarriage

Caffeine
Yes
No
Total
None
   32 232     264
< 200 mg
   99 536     635
> 200 mg
   41 123     164
Total
172 891    1063

Given that a woman had >200 mg of caffeine a day, what is the probability that she had a miscarriage?

A.99/1063
B.99/635
C.41/1063
D.41/164

Explanation / Answer

Ans:

P(miscarriage/>200)=P(miscarriage and >200)/P(>200)

= 41/164

Option D is correct.

Related Questions

Navigate

• Browse (All)
• Browse 3
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.