Listen to the following recording about right and left-handedness.
What is the probability of right-handed parents having a left-handed child?
A) more than 10%.
B) about 2%.
C) about 17%.
What comparison is made between males and females?
A) 50% of left-handed people are male.
B) Males are less likely to be left-handed.
C) Males are twice as likely to be left-handed.
A child's handedness can be determined for certain
A) when the child reaches two years of age.
B) when the child is six months old.
C) according to which hand the child reaches with in the first year of life.