Anumber cube is rolled 450 times. the number 3 comes up 67 times. a, what is the theoretical probability of rolling a 3? write your answer as a fraction in simplest form. b. what is the experimental probability of rolling 3? write your answer as a fraction in simplest form.

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.

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

What is the difference between the equations of a vertical and a horizontal line?