The chance that a pregnancy results in twins is about 3%. The chance that a pregnancy results in identical twins is about 0.3%. Given that a pregnancy results in twins, what is the probability they are identical twins? Express your answer as a percent. If necessary, round your answer to the nearest tenth of a percent.

a. 0.9%
b. 10%
c. 33%
d. 3.3%

Question

The chance that a pregnancy results in twins is about 3%. The chance that a pregnancy results in identical twins is about 0.3%. Given that a pregnancy results in twins, what is the probability they are identical twins? Express your answer as a percent. If necessary, round your answer to the nearest tenth of a percent.

a. 	0.9%
b. 	10%
c. 	33%
d. 	3.3%

anonymous · Answer

0.3 is a 10th of 3 right? so B is correct?

anonymous · Answer

the answer is B. because the total here is 3% so u basically devide .3 and 3 and it comes out .1 and tou multiplay by 100 and it becomes 10%

anonymous · Answer

Thank you both! : )