please help answering these questions

In 90 rolls of a six-sided die, the outcome of 4 never appears. State whether the difference between what occurred and what you would have expected by chance is statistically significant. Is the difference between what occurred and what is expected by chance statistically significant? O No O YesWith respect to gender, how many different three-child families are possible if birth order is taken into account? What is the probability of a three-child family with one girl? There are | different three-child families possible if birth order is taken into account. (Type a whole number.) What is the probability of exactly 1 girl out of three children? (Type an integer or a simplified fraction.)Assume that boys and girls are equally likely and that the gender of a child is independent of the gender of any brothers or sisters. If a couple already has three girls, find the probability of getting a girl when their fourth baby is born Choose the correct answer below. O A. OB. W/N DP O C. O D. 16