Type the correct answer in each box. Use numerals instead of words. Multiply the expressions. 3.12 + 20 - 21 2- + 12 252 253 63 6.12 + 71 If a = 1, find the values of b, c, and d that make the given expression equivalent to the expression below. b=
c=
d =

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.