What is the probability of drawing a card and getting the nine of clubs, not replacing the card, drawing another card and getting a heart?
0.0049
0.0048
1000
52

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.