Which of the following best describes the concept of probability? ...

[Brittanyd9008]

Which of the following best describes the concept of probability?
 a. It is a measure of the likelihood that a particular event will occur.
  b. It is a measure of the likelihood that a particular event will occur, given that another event has already occurred.
  c. It is a measure of the likelihood of the simultaneous occurrence of two or more events.
  d. None of these choices describe the concept of probability.

Question 2

In a matched pairs experiment the parameter of interest is the ___________________ _ of the population of ___________________ _.
 Fill in the blank(s) with correct word

[pami445]

Answer to Question 1

a

Answer to Question 2

mean; differences

[Brittanyd9008]

TYSM

[komodo7]

Thanks for the timely response, appreciate it