Credit cards and charge cards differ in two important ways. one is the method of payment. what is the other difference?
a. you can get a credit card from your bank but not a charge card.
b. you have to pay interest on charge cards but not on credit cards.
c. you have to pay interest on credit cards but not on charge cards.

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.