Please answer this correctly without making mistakes

Find and simplify the difference of the golden ratio and its multiplicative inverse

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Solutions for 2x+7 less than or equal to 3x-5