there are 15 balls of three different colours in a bag. Out of them 4 are yellow, 6 are green and 5 are black. find: I) the probability of drawing a green ball.
2) the probability of drawing a black or a yellow ball.
Answers
ans.
ans.All possible case in drawing 3 balls from 12
ans.All possible case in drawing 3 balls from 12 12
ans.All possible case in drawing 3 balls from 12 12 C
ans.All possible case in drawing 3 balls from 12 12 C 3
ans.All possible case in drawing 3 balls from 12 12 C 3
ans.All possible case in drawing 3 balls from 12 12 C 3 =
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 ×
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 =
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! ×
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7!
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70Hence the required probability =
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70Hence the required probability = 220
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70Hence the required probability = 22070
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70Hence the required probability = 22070
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70Hence the required probability = 22070 =
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70Hence the required probability = 22070 = 22
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70Hence the required probability = 22070 = 227
ans.All possible case in drawing 3 balls from 12 12 C 3 = 3!9!12! =220Fovourable cases to draw exactly 2 red wall 5 C 2 × 7 C 1 = 2!3!5! × 1!6!7! =70Hence the required probability = 22070 = 227