19) The distribution of blood types for 100 Americans is listed in the table. If 19) 0.34 one donor is selected at random, find the probability of selecting a person with blood type A+. Bo BA AB~ 102 A (J 0' A? 6 34 Blood Type 0' AB. Number 37 ' 20) A group of students were asked if they carry a credit card. The responses 20) 0.400 are listed in the table. Credit Card Not a Credit Card Ifa student is selected at random, find the probability that he or she is a freshman given that the student owns a credit card. Round your answers to three decimal places. 21) Classify the events as dependent or independent. 21) Independent The events of getting two aces when two cards are drawn from a deck of playing cards and the first card is replaced before the second card is drawn. 22) A coin is tossed. Find the probability that the result is heads. 22) 0.5