Answer:
11375
Explanation:
From the table :
Proportion of people who bought program :
Total number of items bought = (68 + 19 + 22 + 91) = 200
Number of programs = 91
Proportion of programs = 91 / 200 = 0.455
Of 25000 attendees ; expectd number of program sale :
0.455 * 25000 = 11375