Q.4 Tarry, a prison administrator, has been reviewing the prison records on attempted escapes by inmates .He has data covering the last 45 years that the prison has been open, arranged by seasons .The data are summarized in the table :

Attempted EscapesWinterSpringSummerFall

03210

1-515101112

6-1015121116

11 - 155877

16 - 203465

21 - 2524 53

More than 252542

45454545

(a) What is the probability that in a year selected at random, the number of escapes was between 16 and 20 during the winter?

(b) what is the probability that more than 10 escapes were attempted during a randomly chosen summer season?

(c) What is the probability that between 11 and 20 escapes were attempted during a randomly chosen season?