Sue wants to increase 160 by 4% She writes down

160* 1.4 = 224

Sue's method is wrong.

a) Instead of multiplying by 1.4 , write down what she should have multiplied by >

Bill wants to decrease 160 by 6%
b) Complete he statement below to show how bill can decrease 160 by 6%

160 * =

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.