A football coach recorded in the practice sessions how many attempts were needed for a certain player to kick a field goal from the 25-yard line, and got the following numbers
3 3 1 4 2 1 1 2 3 2
Assuming that the outcomes of the attempts are independent,
(a) What is the distribution of the number of attempts needed for the player to kick a field goal? What is the parameter of the distribution?
(b) Using the method of moments, estimate the probability that the player kicks a field goal at an attempt.