Answer:
The correct answer is option D. Dilation by a scale factor of 2 followed by reflection about the x-axis
Answer: There are 19 classes
Step-by-step explanation:
divide the total amount amount of students by the amount of students in each class
Solution :
Given :
X = the number of boys in a family of four children
Families having four children are chosen randomly.
The gender distribution in the four child family are equally probable.
Thus,
X P(X) CDF
0
= 1/16 
1
= 1/4
2
= 3/8 
3
= 1/4 
4
= 1/16 1