1. A number is drawn from the set {1,2,3,4,...,20} Find the probability that a. the number chosen is odd number
b. the number chosen is divisible by 10
2. Card is drawn from a standard deck of 52 cards. Find the probability of
c. getting a red card
d. drawing a number card
3. A ball is picked randomly from a box containing 4 red, 5 blue, 6 green balls. Find the probability that
e. the ball is color red
f. the ball is not white​