number of different pairs the teacher can choose= nCr (18+14, 2)=496
no. of opposite gender pairs possible= 14 (since there are only 14 boys)
probability = 14/496= 7/248
Answer:
An example of a Progressive reform at either the local, state, or national level is described below in details.
Explanation:
The principal purposes of the Progressive movement were discussing difficulties generated by urbanization, industrialization, political corruption, and immigration. The movement essentially targeted political organizations and their administrators. Reformers desired legislation to defend workers and poor people, to reform administration, and to regulate business.
Answer:
False.
Explanation:
The study that Dr. Keyes wants to do is a study that uses two variables (pets and happiness). Dr. Keyes wishes to prove the cause and effect relationship between these two variables that prove that the greater the amount of pets (causes) people have, the greater the happiness of these people (effect). For this reason, we can say that Dr. Keyes is not doing a correlational study.
This is because, although the correlational study wishes to observe the relationship between two variables, this study cannot be applied to cause and effect relationships.
Answer:
hey your answer is 2.......
