Forty-four percent of U.S. adults say they are more likely to make purchases during a sales tax holiday. You randomly select 15 adults. Find the probability that the number of adults who say they are more likely to make purchases during a sales tax holiday is 

(a) Exactly seven, 

(b) More than seven, and 

(c) Between seven and eleven, inclusive.

Find the indicated probabilities. If convenient, use technology or Table 2 in Appendix B.