What is 100 divided by the divine right of 10 to the power of 7

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

What is the quadric regression equation that fits these data

The parabola opens: y=√x-4 (principal square root) up down right left