The President is responsible for implementing and enforcing the laws written by Congress and, to that end, appoints the heads of the federal agencies, including the Cabinet. The Vice President is also part of the Executive Branch, ready to assume the Presidency should the need arise.
A field study is conducted by observing and collecting data through interaction. The most efficient way of collecting data is an interview, you ask questions and can analyze the answers depending on the situation which will give you the required data.
The draws are performed with replacement. (a) is the maximum value of the sample set. So, denotes the event that the maximum value of the sample set is lesser than or equal to k. Hence, the event is same as the event ' each of X1, X2.