A random sample of 185 college soccer players who had suffered injuries that resulted in loss of

playing time was made with the results shown in the table. Injuries are classified according to

severity of the injury and the condition under which it was sustained.

Minor

Moderate

Serious

Practice

48

20

6

Game

62

32

17

a. Give a point estimate for the proportion p of all injuries to college soccer players that

are sustained in practice.

b. Construct a 95% confidence interval for the proportion pof all injuries to college soccer

players that are sustained in practice.