Let's say that American Express conducted a survey that concluded 28% of American millennials currently possess an AMEX card, with the Gold Card being the most popular choice.

Suppose a group of 9 friends who are millennials are hanging out together at brunch.

a.) What is the probability thatexactly four of them own an AMEX card?

b. ) What is the probability thatfewer than three of them own an AMEX card?

c.) What is the probability thatat least six of them own an AMEX card?

d.) What is the probability thattwo or fewer own an AMEX card?

a.) 0.1498529

b.) 0.517098162

c.) 0.002773498

d.) 0.517098162

Is this correct?