Susie is 3 years old. At her most recent checkup she was at the 20th percentile for height. This means that she is
O taller than 19 out of 100 girls her age.
O shorter than 19 out of 100 girls her age.
O taller than 20 out of 100 girls her age.
O taller than 79 out of 100 girls her age.
