The 16PF has been used in occupational settings to describe and compare groups of people

What are the chances that a 44-year-old woman will carry a fetus with Down Syndrome?

1 in 16 1 in 20 1 in 67 1 in 200

The brain and spinal cord contain about ________ percent of the body's neurons

a. 40 b. 65 c. 15 d. 90