The approximate percent of her adult height is

Answer 1

her approximate height is in the 100% confidence interval (- 6 billion, 6 billion miles) with virtually 0 margin of error

that's what you might do if you had to bet your life on it being right,

that might cover the deepest grave to the casket or ashes floating in outer space somewhere

but more realistically, an average height for an adult female is about 5 feet 4 inches = 64 inches = 5 1/3 feet according to CDC for females over age 20