Suppose you examine an ultrasound image of a fetus, who is sucking her left thumb. Generalizing from research presented in the text, what is the probability that this fetus will be left-handed at age 15?
A) about 50%
B) about 67%
C) about 85 %
D) about 100%

Question

Quizplus · Accepted Answer

Research has shown that fetuses who suck their left thumb are more likely to be left-handed later in life, with a probability of about 67%.

Suppose You Examine an Ultrasound Image of a Fetus, Who