Advertisements
Advertisements
प्रश्न
A bag contains a certain number of red balls. A ball is drawn. Find the probability that the ball drawn is black.
उत्तर
Total possible outcomes = number of red balls.
Number of favorable outcomes for black balls = 0
P(black ball) = 0
APPEARS IN
संबंधित प्रश्न
Two different dice are thrown together. Find the probability that the numbers obtained have a sum less than 7
A box contains some black balls and 30 white balls. If the probability of drawing a black ball is two-fifths of a white ball; find the number of black balls in the box.
Which of the following cannot be the probability of an event?
43%
A dice is thrown once. Find the probability of getting a number less than 8.
Two different coins are tossed simultaneously .Find the probability of getting :
(i)two tails
Two dice, one white and one red are rolled together .Find the probability of getting
(i) a sum of 6
A coin is tossed twice . what is the probability of getting
(i) no head
A perfect cubic die is thrown .Find the probability that
(ii) a perfect square comes up.
A bag contains a red ball , a blue ball and a yellow ball , all the balls being of the same size . Anjali takes out a ball from the bag without looking into it . what is the probability that she takes out .
(ii) red ball?
A bag contains a red ball , a blue ball and a yellow ball , all the balls being of the same size . Anjali takes out a ball from the bag without looking into it . what is the probability that she takes out .
(iii) blue ball?
