Answer: (D) The external validity of the study
Explanation:
The external validity is the type of study which basically depicts that the concept of the study result must be meaningful. The external validity mainly apply in the conclusion in the scientific concepts and study about the main context.
External validity is the type of validity in which we extent the result of the study across the different types of situations, times and people. In mathematics, the external validity concept is applicable for determining the statistical and the various computational methods.
Hence, the value of P(3,3) is 6
Answer:
no I have no idea I justwant points
