14 Marketing survey had two questions: 17 18 19 a) Were you very satisfied with your shopping experience? 20 b) Were you not very satisfied with your shopping experience? 23 24 25 The results shown that 65% of customers were very satisfied. 26 27 29 Subsequently,40 random customers were sampled and the same questions were asked. 30 13 What is the probability that exactly 3 of the 40 of these customers were very satisfied? 34 35